3. Find the surface area of the square pyramid.

The graph represents f(x)=[x]+3. what is f(-2.2)?

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?

Which rotation about its center will carry a regular hexagon onto itself