Need help with 10, 11, and 12 :]

Simplify using the Laws of Exponents
not hard :]
but i cant do it XD

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Please Help!

For Jimena to be accepted into her favorite college, she will have to earn an entrance exam score at least 2 standard deviations above the mean. Assume entrance exam scores are normally distributed, with a mean of 790 and a standard deviation of 50. What exam score does Jimena need to be accepted at her favorite college?

690
890
740
840

help me with this please i will crown brainliest :). even if it answer is wrong

The corners of a square are cut off two centimeters from each corner to form an octagon. If the octagon is 10 centimeters wide, what is its area?


can't be determined

84 cm 2

92 cm 2

100cm 2

asap

hep me i dont know the answer to this

I have math :') can u help me pweaseee

The store manager decided to decrease price of ice cream store sells by 10% for the month of July. The amount of ice-cream sold in July increased by 24% comparing to June. Did the store proceedings (money that the store obtained from ice cream sales) increase or decrease in July? By how many percent?

help plz this is 7th grade math

Gregory knows that Triangle A B C is reflected onto Triangle A prime B prime C prime. Which statement about the figures is true?
If Gregory draws the segment with endpoints A and A’, then the midpoint will lie on the line of reflection.
If Gregory draws the segment with endpoints B and C’, then the midpoint will be on the line of reflection.
Points A and B are equidistant from the line of reflection.
Line segment A B will be perpendicular to the line of reflection.

help me pls i will make u a brainliest

State whether the number is a solution to the giving inequality.


n>9/16;7/12

HELPPP!!!
Evaluate the expression.

a florist sells a dozen roses for $29.88. what is the cost of 1 rose

hduwc help

okok so.
context.
"Raul’s grandfather is Miguel, and Raul’s sister is Paula. Raul’s age is the same as his grandfather’s age minus 60 times the age of his sister. Miguel is 65 years old. Using the results from Part C, write an equation to find Paula’s age, p (in years)." answer: "r = 65 - 60p"

"Rewrite the equation from Part D by factoring the side that contains the variable p." answer: "r = 5 (13 - 12p)"

"Solve the equation for p to find Paula’s age. Express her age (in years) as a fraction." "answer: p = -1/60r + 12/12"

thingy i need help with is "How many months old is Paula?"

What is the value for "m" that makes the equation true?

9 =[tex]\frac{3}{8}[/tex]m

m = ?

I have no idea how to solve this!! Please someone help me!!

pls help ill give brainliest :)

Solve the equation using mental math x-1/5 = 4 2/5

Please help. If you get it right I will give you brainliest.

Select all that apply.

Green pencils are priced at $1.28 for 4. Blue pencils are priced at $5.52 for 24. Which of the following statements are true?

The unit rate for green pencils is $0.32
The unit rate for blue pencils is $0.28
The green pencils are priced less per pencil
The blue pencils are priced less per pencil.

need an expert verified answer

How can the additive inverse be used to evaluate the problem below? Negative 3 minus (negative 6) Because 3 + (negative 6) is an equivalent expression, the answer is –3. Because 3 + (negative 6) is an equivalent expression, the answer is 3. Because Negative 3 + 6 is an equivalent expression, the answer is –3. Because Negative 3 + 6 is an equivalent expression, the answ

Please help 4 questions for 10 points!!!
------------------------------------------------------------
1) Which expression is equivalent to 4(23)?
4(20+3)

4(2+3)

4(2+13)

4(20+30)
..................................................................................................
2. Which expressions are equivalent to 4(42)?
Select each correct answer.
4(20+22)

4(40+2)

4(4+20)

4(4+2)
.......................................................................................................
3.Which expression shows how 6⋅45 can be rewritten using the distributive property?
6⋅40+6

20⋅6+20⋅5

6⋅40+6⋅5

6⋅4+6⋅5
...............................................................................
4.Tori uses the greatest common factor and the distributive property to rewrite this sum:
24 + 84
What expression does Tori write?
​2(24+42)​

​12(2+7)​

​24(1+4)​

​4(6+21)
.....................................................................
my last one got deleted....

Which equation is NOT equivalent to 5 + n = 10. Select all that apply.




5 + n -n = 10 – n

5 + n – 5 = 10 - 10

5 + n – 5 = 10 - 5

5 + n + 3 = 10 + 3

5 + n – 10 = 10 - 5

Sean bought his house at $200,000 two years ago. He is now
selling it for $267,000. What is the percent markup?

A) 2% increase
B) 25.1% increase
C) 33.5% increase
D) 67% increase

c÷2 when c=26
help me, please

The vertices of a triangle are listed below:

E(-1, 2), F(-5, -1), G(-1, -4)

What is the area of the triangle?

Oakland Middle school has 128 6th graders, 121 7th graders and 135 8th graders. If there are 3 teachers per 32 students, how many total teachers are there?

Footlocker buys sneakers for $60 each and marks up the price by 30% so they can make a profit. What is the selling price of the sneakers at Footlocker

(repost) Help Please I will Give brainliest If Correct!!

Which proportion can be used to find h, the height of the building in feet?