Answer:
The first step is
Take the square root of both sides of the equation
Step-by-step explanation:
we have

Solve for x
step 1
Take square root both sides

the solutions are
and 
therefore
The first step is
Take the square root of both sides of the equation
Multiply 9 and 5 then multiply by .5 giving you 22.5 so I’d say that’s your best option
The increase in miles would be 11 miles
Option 3 is the best choice