How do i do all
of them as a one step equation

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?

Manuela solved the equation below. what is the solution to manuela’s equation?