The length of a rectangle is 12 in. more than its width. the perimeter is 64 in. calculate the length of the rectangle in inches.

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Arational number that is equivalent to -20/4?

Graph the function =gx+2x3 and give its domain and range using interval notation.