Write a real world problem for the inequality -3.5 is less than -1.5

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?