Answer:
the last two
Step-by-step explanation:
61/40, or about 2 and a half miles.the exact number is 2.525. hope this helps.
I am pretty sure the answer is 10. Someone correct me if I'm wrong
Answer:

Step-by-step explanation:
Given : The formula for the area of a trapezoid with altitude k and bases m and n is 
We have solve for m .
Consider the given formula 
Multiply both side by
, we have,

Now subtract n both side, we have,

Thus, 