You would multiply both and then the answer you would put into ratio form
Yes they do parallel from each other <span />
Convert 3 hours and 30 minutes all into minutes so that would be 210 minutes. You then have 169 miles / 210 minutes. Get the denominator to 1 minutes by dividing by 210 to the top and bottom and you'll get .080476 miles / 1 minute which is the answer.
The y-value changes sign when a point is reflected across the x-axis. The reflected point is (-3, -7).
