Evaluate the exponent expression 3x+ - 2 for x=-1 and y=2
A) - 12
B) I/6
C) 12
D) 6

What is the volume of the sphere shown below with a radius of 3?

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.

Using elimination, what is -4x+2y=-12 4x+8y=-24