The perimeter of a triangle is the sum of the lengths of its four sides. Which expression, where l=length and w=width, does not show this relationship?

A. 2l+2w

B. 2 (l+w)

C. l+w+l+w

D. 2lw

Joel wants to fence off a triangular portion of his yard for his chickens. The three pieces of fencing he has to use are 8 feet, 15 feet, and 20 feet long. Will he be able to make a right triangle with his fence? Why or why not.

The blue lake trail is 11 3/8 miles long. Gemma has hiked 2 1/2 miles each hour for 3 hours. how far is she from the end of the trail

An online store sells DVDs for $10 each. The shipping charge for an entire order is $5.50. Frank orders d DVDs. Write an expression that represents the total cost of Frank's DVDs

Tom just received a credit card with an introductory APR of 0% for nine months and a credit limit of $500. The APR for purchases after the introductory period is 19.9%. The penalty APR is 24.9% and the APR for cash advances is 20.4%.

Find the value of 2square

Solve the equation below. 19 + x = 37

What's the long formula to find the surface area of a cylinder?

Laura walks 1/2 mile every 10 minutes. At this rate how far will she walk in an hour?

What is 45/35 in the most simplest form

If you are driving at a rate of 55 miles per hour, about how many feet per second are you traveling? A. 0.015 feet per second B. 80.67 feet per second C. 4840 feet per second D. 290400 feet per second