The height, h, in feet of a ball above the ground is given by h --16t^2 +64 + 80, where t is the time in seconds. How long does it take the ball to hit the ground?
A)
3 seconds
B)
4 seconds
C)
5 seconds
D)
6 seconds

Suppose your sat score is 2040. a college with an average sat score for admintted students of which of these would most likely be your best option?

What is the total surface area of the square pyramid

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?