What is the completely factored form of this polynomial? X^4-8x^2+16
O A. (x + 2)2(x - 2)2
O B. (x² - 4)2
OC. (x2 + 4)(x + 2)(x - 2)
OD.(x + 2)(x - 2)

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

Define the type of sequence below. 7, 14, 28, 56, 112, a. neither arithmetic nor geometric b. arithmetic c. both arithmetic and geometric d. geometric