Which expression is equivalent to (4^5/4 4^1/4/4^1/2)^1/2

What expression is equivalent to 1/2(2+3x-6)

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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