Bullentin board is 4 feet long and 6 feet wide..how many feet of border does it need to surround the bulletin board

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.