I'm pretty sure its line c.
Step-by-step explanation:
Answer:
300miles per hour
Step-by-step explanation:
The value of g in terms of other variables is 
Given the expression;
gh-f=g-h
We are to express g in terms of other variables as shown;
gh-f=g-h
Collect the like terms
gh - g = f + h
Factor out g
g(h - 1) = f + h
Divide both sides by h-1

Hence the value of g in terms of other variables is 
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