Which number line best shows how to solve -4- (-8)

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

Use the distance formula to find the distance between (-3,5) and (3,1)