Answer:
You could use the equation y = mx + b to solve this problem. The m would equal 7.5 and the be would be zero, so the equation would be y = 7.5x + 0. Add values for x and you would get y.
Answer:
<h3>28</h3>
Step-by-step explanation:
Area of a square =

Perimeter =

Where s = side
Solve for s using the area

Find the perimeter

The cars travel at a 21MPH difference, so if we divide 460 by 21, we get 21.9
Answer: 21.9 hours