BLANK + 308 + -126 = 450

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

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

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i