Awindow washer cleaned 38 windows in 2 hours. at this rate, how many windows did he clean in 7 hours?

Ineed to know the answer to this algebra question.

If rt is greater than ba, which statement must be true ?

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.