Which represents a perfect cube?
6.6.6
6+6+6
3.3.3.3
3+3+3+3+3

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2