Ineed properties of exponents (rational exponents)

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles