F = 4i - 7j
v = 9i - 2j
Find: -f + v

Match each expression with its simplified form.

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.

Will mark name all segments skew to bc