Find the values of x that makes (x^2+3x-54)/(x^2-16) undefined. -6

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

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?