Atrapezoid is made of a square with side lengths of 7 feet and an isosceles right triangle whose base and height are both 7 feet. what is the area?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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.

When y’all answer can y’all explain too !