How many solutions are there to the following system of equations?
-3y = -2x - 6
3 = x

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.

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Which expression gives the exact value of x?