Math Smath Quiz

1.

What is the length of a rectangle whose AREA is 80 sq. ft. and whose width is 8 ft?

A640 ft.
B64 ft.
C10 ft.
D12 ft.
2.

If you want to earn an average of 90 in your math class, and your grade comes from 4 tests, what would your last test grade have to be if you have made an 87, 85, and 91?

A89
B97
C100
D90