How many times bigger is 7,000,000,000 than 70,000,000?

What is the measure of angle tvu shown in the diagram below

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9