PLZ HELP I WILL MARK BRAINIEST (26+4) divided by 6 = w

Evaluate cos2θ for cosθ = square root of 3/2

Two florida panthers were weighed. one weighs 6x+21 pounds and the two together weigh 14x+11 pounds how much does he other panther weigh alone

35 ! insert < , > , or = to make the sentence true. 12 __ 25 > =