Suppose that when your friend was born, your friend's parents deposited $7000 in an account paying 6.3% interest compounded quarterly. What will the account balance be after 15 years?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.