PLEASE HELP ILL GIVE BRAINLIEST TO WHOEVER EXPLAINS GOOD AND GETS IT RIGHT

Me #1 using vocabulary words, including the word “congruent”, state why the measure of angle d is 120 degrees. #2 what is the measure of angle e and why?

Evaluate cos2θ for cosθ = square root of 3/2

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price