A person's rectangular dog pen for his dog must have an area of 200 square feet. also, the length must be 20 feet longer than the width. find the dimensions of the pen.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.