Is this sequence arithmetic if so find the common difference and the next three terms
x+2, 2x+2, 3x+2,

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?