Sin pi/12 cos y - sin y cos pi/12

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

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?