One side of a rectangle is 3 inches shorter than the other side, and the perimeter is 54 inches. what are the dimensions of the rectangle. 2x + 2(x - 3) = 54 2x + 2x - 3 = 54 2x - 3 = 54

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

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?

Given abc find the values of x and y. in your final answer, include all of your calculations.