Answer:
B
Step-by-step explanation:
The speed each day is faster than 3.5. Otherwise known as the mileage covered each day.
62.4 cm squared
8^2-4^2=48
The square root of 48 is 6.928
7*2.928=48.497
(6.928*4)/2=13.856
48.497+13.856= 62.353 or 62.4
c
