Select all the equations for which 9 is a solution.
x+8=1
7+x=16
x−8=1
x−7=-16

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

What type of symmetry does a rhombus have?

Jack brought 12 pet monkeys. if each monkey cost $45.99, how much money did he spend in all?