Which of the following expressions are factored out? 5(2x + 7)
18y + 12
31x + 21
7.5x + 20y
12x - 6
6(6x - 1)
9(y- 4)
32x -96
15x - 35 + 20y
16x - 12
3(4x - 5)
15x - 18
4 - 3y
5(x + 9 + 3y)
28x + 20
-4x + 2​

Which expression is equivalent to -12(3x-3/4)

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

Abilliard ball is struck by a cue. it travels 1 0 0 cm 100cm before ricocheting off a rail and traveling another 1 2 0 cm 120cm into a corner pocket. the angle between the path as the ball approaches the rail and the path after it strikes the rail is 4 5 ∘ 45 ∘ . how far is the corner pocket from where the cue initially struck the ball? do not round during your calculations. round your final answer to the nearest centimeter.