There is a sale on video games. The first game you buy will cost $40. Each game after that will cost $25. Which formula models this situation?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.