A washer and a dryer cost $834 combined. The washer costs $84 more than the dryer. What is the cost of the dryer?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me