What is the slope of the line that passes through the points (4,-3) and (8,-3)

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Which equation matches the graph shown ?

What is the solution to the equation in the & show work i’m very