During a race, a runner’s time was 4 seconds at the 36-meter mark and 6 seconds at the 57-meter mark. what was the runner’s average speed, in meters per second, for the time interval between 4 seconds and 6 seconds? (a) 2.1 (b) 9.0 (c ) 9.3 (d)9.5 (e) 10.5i need asap ):

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.