Does 30, 20, and 16 make a right triangle?

Karl needs to build a stage that has an area of 72 square feet.the length of the stage should be longer than the width.what are the possible whole number measurements for the length and with of the stage complete the table with possible measurements of the stage

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2