I need help with 3:solve one step equations

Abcd is a parallelogram. the diagram is not drawn to scale. if m

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

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents