7^2 - 5 + [9 - (2^2 x2)] - 10 help

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

Write as a product: ac^2–ad+c^3–cd–bc^2+bd