The equation a=1/2(b1÷b2)h can be used to determine the area, a, of a trapezoid with height, h, and base lengths, b1 and b2 .which are equivalent equations? check all that apply.

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.