Math help plzzhxbcbfb

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

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25