(use the formula sa=6s2 , where sa   is the surface area  and  s  is the edge length  of the cube, to solve this problem.) gavan must paint a cube-shaped box. the edge length of the box is 2 1/2 feet. what is the surface area of the box?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.