Select all that are NOT polynomials. (Choose 3) Group of answer choices

x5−2x12−3

4x3−2x2+15x−28

2x−−√−x2+7

x22−3x7+2

1x2−3x−2

Which of the following expressions is equal to 2x^2+8

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3