A regular pentagon has a perimeter of 20 cm

What is the length of one side of the pentagon?

Find the slope of the line that contains (-7,-1) and (-7,9).

Multiplication factors of 78

At a school, the ratio of boys to girls to teachers is 15:12:3. Find the number of boys in the school. Find the number of girls

How to solve for pie

Why is it important to reconcile your checkbook?

What is: 4*4+4*4+4-4*4?

You decide to buy a 60 in plasma-screen TV. You borrow $4500 from the electronics store at 1.9% per month simple interest, with no payments due for 2 years from the date of purchase.

Find the circumference of a cercle with the radious of 5.5 in. Use 3.14 for n round the nerest tenth

What is the solution tot the system of equations graphed below Y=2x-7 Y=-x-1 A. (4,1) B. (3,-2) C. (0,-1) D. (2,-3)

Cheryl and four of her friends went hiking on Saturday. They hiked a total of 6 miles in four hours. What is the average speed that they hiked?