Answer:
The missing side is 18 inches
Step-by-step explanation:
Since in the smaller rectangle the sides are 2.5in x 6in and one side for the larger rectangle is given, you can make an equation.

Then you can cross multiply.
2.5x=45
Divide by 2.5 on both sides.
x= 18
Answer:
y=1/5x+7/5
Step-by-step explanation:
It would take 11.5 hours. If he drove 460 miles in hours, his speed was about 57.5. Driving 661.5 miles at the same speed is equivalent to 11.5 hours.