The answer is 210 just multiply 420 by 7 cause theres 7 days is a week you get 2,940 minus from 3,150
Step-by-step explanation:
Convert the speeds of Amir and Ryder to meters per second (m/s).
Amir:
8260 mm/s = 8.260 m/s
Ryder:
930 cm/s = 9.30 m/s
9.30 m/s > 8.260 m/s, so:
Ryder ran approximately 1 meter per second faster than Amir.
A line is a collection of points.