Which of the following has a graph that is a straight line?

equation 1: y = 4x3 + 6

equation 2: y = 5x - 4.5

equation 3: y2 = x - 1

equation 4: y = 2x2 + 6

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4