Simplify the expression to a + bi form:
(3+10i)-(-12-8i)

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?