Agroup of three friends order a combo meal which includes two slices of pizza and a drink. each drink is prices at $2.50. if the combined total is 31.50, how much is the cost of a pizza?

Solve: 3x+y=6 4x-2y=18 show all work !

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?