In the diagram, what is the length of arc ab?

a. 4.2 cm
b. 12.4 cm
c. 13.9 cm
d. 11.8 cm

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

What could explain what happened when the time was equal to 120 minutes

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.