Which expression can be used to find the area of a
square with a side length of x-4 feet ?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Which of the following circles have their centers in the third quadrant? check all that apply.

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?