Simplify the expression.

20 : (4 - 2)

If you formed an algebraic expression to model the phrase, "three divided by a number," what symbol would you need?

june and jerry are painting a mural made of different sizes of rectrangles, with no gaps or overlaps of the rectangles. They have enough paint to cover 15 square yards, they want the mural to be 3 yards long.

In choir there are 16 altos and s sopranos. There are twice as many sopranos as altos. Write an equation to represent this situation

Use the X method to find the solutions of 6x2 + 2x - 20 = 0

The length and width of a rectangle are 5 feet and 2 feet, respectively. A similar rectangle has a width of 8 feet. What is the length of the second rectangle

Do toy have a triangle with a 3 angles:60 degrees, 60 degrees, 63 degrees

Arrange the absolute value expressions in increasing order of their values. |-90| |-43| |47| |-55| |-88| |38| |-18|

Rectangle with dimensions of 8 in. by 9 in. is

Write an equation for eight times a number decreased by 25 is - 1

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. Without looking in the hat, dan takes out a marble at random.