A system of equations is given below
y= 1/2 x-3 and y=-1/2 x-3
Which of the following statements best describes the two lines?
They have the same slope but different y intercepte, so they have no solution
They have the same stope but different y intercepts, so they have one solution
They have different slopes but the same y intercept, so they have no solution
They have different slopes but the same y intercept, so they have one solution

NEED HELP

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?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Is the point (0, 8) on the x-axis or y-axis? how do you know?