This is band btw. Please help me i dont get these

Chandra X-ray observatory has reported that they have found a new star near our solar system. The Chandra X-ray telescope detects x-rays in space. What does the use of the x-ray telescope review about the newly found star? ( PLS EXPLAIN Y THE ANSWER IS CORRECT)a. The star produces electromagnetic waves with shorter wavelengths than visible light.b. The star produces electromagnetic waves with lower frequencies than visible light.c. The star produces pictures in addition to electromagnetic waves.d. The star produces vibrating electrons Why were the crusades initiated? can u get this right? Please help asap!!!! In a small, closed economy, national income (GDP) is $400.00 million for the current year. Individuals have spent $150.00 million on the consumption of goods and services. They have paid a total of $200.00 million in taxes, and the government has spent $150.00 million on goods and services this year. Use this information and the national income identity to answer the questions. How much is spent on investment in this economy Based on your data, what is the experimental probability that the family has two dogs or two cats? (Heads= dogs and tails=cats)My table: Heads, Heads15Heads, Tails 9Tails, Heads 16Tails, Tails 10Total50 Also, please explain your answer. A small pond contains 8 catfish and two bluegill. If eight fish are caught at random what is the probability that all of them are catfish Fill in the blank with the sentence that has the same point of view as the rest of the paragraph.You should have been there and seen it for yourself. _________ I swear, right before my eyes, in walked a baby goat in a sweater. It was a blue and green checkered sweater. Following it was one of its parents, and I promise, as sure as I'm telling you this story, that the older goat was wearing a bowtie. Blue and green, like the baby's sweater, but this time it was blue with green polka dots!(1 point)You won't believe me when I tell you.They all wanted to know what happened.She looked all around the room.Toby wondered if it was really happening. Can someone help with these 3 questions? I have a few more questions that deal with the conjugation of French words. y=((3x+1))-, find dy/dx Who are the green mountain boys? What type of polynomial is 14x2 + 3x 15? Given that the diameter of a circle is 5 mm, find the radius of the circle. which despite occurred during the constitutional convention? 6x^2 - 18x - 240 = 0 solve for x. Find solutions that are greatest to least. Part A. Classify each of these soluble solutes as a strong electrolyte, a weak electrolyte, or a nonelectrolyte. Solutes Formula Nitric acid HNO3 Potassium hydroxide KOH Formic acid HCOOH Ethyl amine CH3CH2NH2 Sodium bromide NaBr Butanol C4H9OH Sucrose C12H22O11Part B. Enter a molecular equation for the reaction that occurs between aqueous HBr and aqueous LiOH. Mercedes is helmet diving at a location of -20 feet. The breathing tube attached to her helmet reaches an oxygen tank at a location of 12 feet. Which of the following expressions representsthe length, in feet, of the breathing tube attachedto Mercedes' helmet?(A) |--20 12(B) |--20 + 12(C) 20 12(D) -20 + 12 Solve for x.3x - 4 = 2x - 10O x = 6OX= -6OX= 14O x=-14Please help Will give you brainly jose paid $47.00 for 4 movie tikits. each tiket cost the same amount . what was the cost of each movie tiket in doller and cents? Help meeeee! ASAP I WILL MARK BRAINLIEST