7 3/4 - 1/2 equivalent expression
1/2 + (-7 3/4)
7 3/4 + (-1/2)
1/2 + 7 3/4
-7 3/4 + (-1/2)
PLEASE HURRY

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

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.