At noon, an aquarium contained 20 gallons of water. After several hours, it contained 18 gallons of water. What is the percent decrease in the water of the tank?

A number added to - 9 is - 2

The measure of on acute angle is a right triangle is 56 2/3 degrees what is the measure of the other acute angle

Zane eats 1/8 of a pizza. Later he eats 1/2 of the same pizza. Did he eat more the first or second.

Solve 3 (x - 2) < 18.

Define human rights

Abby's weight has triped since her first birthday. if w represents the amount abby weighed on her first birthday, write an expression to show how much abby weighs now

Nevaeh mowed 2 lawns in 4 hours. What was her rate of mowing in lawns per hour?

A bookstore sells 4 fiction books for every 1 non fiction book it sells which statement is true A. For every 7 fiction books sold 4 nonfiction books are sold B. For every 25 fiction books sold 3 non fiction books are sold C.

Turn 276% into a mixed number

11,760,825 in expanded form