Factors of 15: 1, 3, 5, 15 Factors of 20: 1, 2, 4, 5, 10, 20 What is the greatest common factor (GCF) of 15 and 20? A. 5 B. 15 C. 1 D. 20

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9