Divide using synthetic division . (x ^ 5 + 3x ^ 4 + 2x ^ 3 + 4x ^ 2 + 5x - 3)/(x + 2)

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?

I'll give brainliest if you answer right : )

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?