Please help it’s due soon and I don’t wanna be even more behind, also I’ll mark brainliest

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

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?