If the radius of a sphere is increased by 5 cm so that the area of the sphere obtained is increased by 400pi square cm. What was the radius before the increase

How many paperback books did Gillian buy? 11 Gillian purchased 25 books at the library book sale. Each hardcover book cost $1.50, and each paperback book cost $0.50. Gillian spent a total of $26.50.

6/20 in simplest form

What is the value of f? -1/8 f - 3/4-1/4 f = 11 A.-31 1/3 B.-23 1/2 C. 23 1/2 D. 31 1/3

These types of angles have a sum of 180 degrees

The product of 3, and a number increased by 8 , is - 48. 3x+8=-48

The length of rectangular hall is 3 meters more than double of its breadth. If it's perimeter is 66 meters, what is its length?

You wake up at 6:50 a. m. and spend 30 minutes getting dressed. you have a 20 minute walk to school. what time do you arrive at school?

How many solutions are there to - 46=3x+7x

At Michael's Craft Store, the paiat set that you want is aormally $26. It is currently on sale for 10% off. Also, you have a coupon for an additional 40% off, which can be used after all other discounts have been applied.

Justin, William, sherice, and Cynthia solved the following equation on their math test, 15/4x-2=7/2x+13/4