Find the solutions of the system y = –2x – 1 and y = 3–x–1. what are the x-coordinates of the solutions? choose all that apply. 1 0 -1 -2

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180