NEED THIS VERY SOON What is the classification of each system?

Drag the answers into the boxes to match each system.

{4x−2y=102x−y=5
{y=2x−3−2x+y=−5
{2x−5y=143x+4y=10

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance