The walls of a square room need painting. Each of the four walls is 12ft wide by 8.5 feet tall. One gallon of paint covers 75 square feet. How many gallons will you need? *

Which equation can be simplified to find the inverse of y = 2x2?

How to determine whether two known pairs of points are on the same line.

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.