Ernesto baked 3 cakes in 2 1/2 hours. assume that the number of cakes baked varies directly with the number of hours. write and solve a direct variation equation to find how many cakes can be baked in 7 1/2 hours.

The volume of a cube is 8 in to the 3rd power. how long is each side?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.