Which of the following is the name for a hollow depression in which drainage collects?
A. canyon
B. cave
C. v-shaped valley
D. sinkhole

Determine the equation of this circle. * HELP! Does the pythagorean theorem work for every triangle or just for right triangles?a. everytriangleb. only right triangles Three methods for teaching mathematics to first graders are to be compared. Ten students arerandomly assigned to each of the methods, and the score on a quiz is recorded. What are theresponse and treatment for this experiment? Find the midpoint of the segment with the following endpoints. (10, 7) and (5, 4) PLZ HELP ME OUT!! Why was the national government created? (A.)to create a government that would maintain the supremacy of the states (B.to create a government that would be able to limit and control the peoples activities (C.)to create a strong government that would be able to hold the country together (D.) to create a government that mimicked the style of the government in England 12. The variable in the expression 9x + 63 is ? * A. = B. 9 C. x D. 36 2) Na frase: no venho almoar hoje, foi utilizado o verbo vir no tempo presente do indicativo. Sabendo que overbo intervir segue a mesma conjugao, qual a forma deste verbo que completa corretamente a fraseabaixo."A professoratoda vez que os alunos conversam na hora da prova.a) ( ) intervimb) ( ) intervmc) ( ) intervmd) ( ) intervns A discipline committee is selected by placing the names or 12 teachers in a bag and than randomly drawing 3 of the names it there are 7 math teachers and 5 english teachers what is the probility that the committee will be made up of all math teachers a7/44 b7/12 c35/288 d7/288 "Write about a time you were right but was proven wrong." Find the value of x in the triangle shown below.a. x=80b. x=48c. x= 32d. x=12 Jellybeans cost 0.80 per pound Howard buys 4 1/2 pounds of jellybeans for himself and 1 pound for his friend what is the total cost of the jellybeans Howard buys The map shows the movement pattern for major ocean currents. What ideas do you have about what might make ocean currents move? An 80calorie apple is 4% of jeremys daily caloric intake. What is Jeremys daily caloric intake? HOW MANY MOLES OF CS2 FORMS WHEN 2.7 MOLE C REACTS Need help 100 points!!! I will report if bad answer. A student bought a calculator and a textbook for a course in algebra. He told his friend that the total cost was $115 (without tax) and that the calculator cost $20 more than four times the cost of the textbook. What was the cost of each item? Let x= the cost of a calculator and y= the cost of the textbook. The corresponding modeling system is {x+y=115x=4y+20. Solve the system by using the method of substitution. A right triangle has a height of 18 inches and a base of 12 inches. Find the area of the triangle in square inches. Enter only the number. The solution is A popcorn cup is in the shape of a cone. The slant height of the cone is 9 inches, and the diameter is 6.2 inches. What is the volume of the cone? Use pi equals 3.14. An inequality is shown 1 < -18% 8 Which value of x makes the inequality true?? 1) ABC is a right-angled triangle.AB = 50 cm.Angle ABC= 24Work out the length of BC.Give your answer correct to 1 decimal place.