Becca hiked a total distance of 8.8 miles on three different trails. • She hiked 4.8 miles on the first trail.
• She hiked 2.2 miles on the second trail.
What is the number of miles Becca hiked on the third trail?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Two airplanes start at the same place and travel in opposite directions, one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Which of the following graphs could represent a cubic function?