Volume of cuboid 7.0 x 7.0 x 8.0

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7