If the perimeter of a rhombus is 18 feet then each side measures 9 feet. True or false?

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.

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.