Joe will choose between two restaurants to purchase pizzas for his party. The first restaurant charges a delivery fee of $9 for the entire purchase and $12 per pizza. The second restaurant charges a delivery fee of $1 for the entire purchase and $13 per pizza. In how many pizzas, will the two restaurants charge the same amount? How much will the charge be?

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?