Can i get some help on this question?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

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?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?