Answer:

Step-by-step explanation:
Given that:
Speed of Wilmer up the hill =
km/min
Time taken up the hill =
minutes
Speed of Wilmer down the hill =
km/min
Time taken up the hill =
minutes
Distance can be calculated by multiplying the Speed with Time i.e.
The formula for distance is given as:

Distance up the hill = 
Distance down the hill = 
It is well known that, the distance up the hill and down the hill will be same.
Putting both the values equal, we get:

Answer:
The answer is 66.6346 round it to what ever place you need to.
Step-by-step explanation:
Take the 56,47, multiply it by .18, and add that value to 56.47 Hope it helps
Answer:
The answer for A. Would be 1 mile B. 2mph C. 4mph and the rest Im still working on
Step-by-step explanation:
Answer:
The numbers are --> x = -4 + √21 i and x = -4 — √21 i
See the attachment for my step-by-step explanation
(solution is in red box)