the width of a rectangle is 8×-7 feet and the length is 3×+10 feet. fnd the perimeter of the rectangle

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Sketch one cycle if the cosine function y=2cos2theta