Answer: 64 miles per hour
Step-by-step explanation: To find this out, you need to divide 512 by 8 which is 64.
The answer is 0 because the formula to finding a slope from two different points are y1-y2/x1-x2 (meaning as a fraction) in this case, the answer is 0/5, which is equivalent to 0
In order to calculate, the time of his total work, you need to add them,
It would be: 15.35 + 32.7 = 48.05
In short, Your Answer would be 48.05 hours
Hope this helps!
CROSS MULIPLY THE 2 X THEN ADD THE 14