‼️ASAP‼️
PLS HELP Thx!

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Solve the system of equations. y= 2x y= x^2 - 15

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.