A section of a roller coaster track forms a parallelogram ABCD. If m∠ABC = 72°, what is m∠DAB?

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11