Pls help will do brainliest answer

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°