How can you represent and operate on numbers that are not on the real number line? Enter your answer.

Acheetah can run 70 per hour. what is the speed in feet per hour

April carriers 5 suitcases to car. each suitcases weighs 6 1/2 pounds. how many pounds does april carry in all

The table shows how many people went on a roller coaster during 3 days. sean wants to know if the total of number of people is greater than 800. how can you answer sean's question without actually computing the total? explain. friday 158 people, saturday 292 sunday 278