Use the model to solve for x.​

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

For the equations below which statement is true ? -2x=14 6x=-42

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