A letter of the alphabet used to represent numbers is called

Write an expression that shows how to multiply 7 x 256 using expanded form and the distributive property

Rosa works in an office building with many floors. From her office she goes down 5 floors for a meeting. Then she goes up 8 floors to have lunch. After lunch she goes down 13 floors to the first floor what floor is rosa's office on

Is triangle the only shape with 3 sides?

A company rents water tanks shaped like cylinders. Each tank has a radius of 5 feet and a height of 3 feet. The cost is 3 per cubic foot. How much does it cost to rent one water tank?

Perform the following divisions. Be sure all answers are reduced to lowest terms. 5/8 : 2/5 =

A fair spinner has four colors: red, blue, yellow, and green. What is the probability of spinning red, then blue? Leave your answer in fraction form lowest terms.

Simplify 5x+10y+7x-4y

What is 3.8, 3.06, 3 1/6, 3 3/4 from least to greatest?

Write the parametric form of the line - 6x + 18y = 36

A cone and a cylinder have the same base and height, as shown below. A cone is inside of a cylinder with same base and height.