Jack runs 3 3/4 mile in 2/3 of an hour. kevin runs 3 4/5 of a mile in 50 minutes. who would run 10 miles faster?

Rename mixed numbers before you can subtract are what

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?