Which of the following is a rational number?

square root 15
square root 16
square root 21
square root 22

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

Find the domain and range of the following function f(x) = 51x - 21+ 4