PLEASE HELP! I don’t know how to do this:

Graph f(x) and f^-1(x) on the same coordinate plane below.

Akitchen floor is made up of tiles that are in the shape of the triangle shown there are 40 tiles on the kitchen floor what is the total area of the floor

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

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?