If y is proportional to x and y = -15 when x = -20, what is the value of x when y = 12?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2