100 points and ! find the area of the following shape. you must show all work to receive credit.

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Can some one me with these questions

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?