There are 5,280 feet in a mile. so 52,800 feet is 10 miles.
Answer:bhbehrf
Step-by-step explanation:
It looks like the differential equation is

Factorize the right side by grouping.


Now we can separate variables as

Integrate both sides.



You could go on to solve for
explicitly as a function of
, but that involves a special function called the "product logarithm" or "Lambert W" function, which is probably beyond your scope.
The answer to number 7 is 7.5