What is the area of triangle ABC? - OP 03 square units 0 7 square units o 11 square units 0 15 square units see pic​

Acar with a mass of 600 kg is traveling at a velocity of 10m/s. how much kinetic energy does it have?

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Pls! does anybody know a shortcut for answering these types of questions in the future?