The volume of a pentagonal pyramid is 32 in3. What is the volume if all of the measures of the pyramid area multiplied by 5?
A. 160 in3
B. 800 in3
C. 2000 in3
D. 4000 in3

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?

If (-3, y) lies on the graph of y = 3^x, then y =