What is the lcm of 12 and 24

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.