Factor the expression m^2-7m-18

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

How do you determine whether a relationship represented as as graph is linear or nonlinear

Solve for x and select the correct answer