Find each missing value. (Look at picture, and only for C because i did the others already.)

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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?

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get