If the original quantity is 20 and the new quantity is 18 , what is the percent decrease?

How ofteten Do chemists study the elements

Test scores are shown below. Find the minimum, first quartile, median, third quartile, and maximum of the data set. Show your work. 100, 68, 95, 70, 78, 80, 84, 99, 88, 94, 81, 72, 86

Ok i have something to ask what is bigger miles or yard

If g (x) is the inverse of f (x), what is the value of f (g (2)) the function f (x) is given below f (x) = { (3,-5), (5,-7), (6,-9), (10,-12), (12,-16) }

Graham made 12,000 milliliters of orange juice. If he sells 1 - liter bottles for $1.09, how much will he earn if he sells all of his bottles of juice?

Name a fraction equivalent to 2/3

The teacher has 15 gold prize ribbons, 22 blue ribbons, and 5e red ribbons. There are 12 boys and 18 girls in the class.

3 (6x^2-5x+7) - 2 (-4x^2+8-10)

A model ship is built to a scale of 1 centimeter: 5 meters

Simply: x^3 y^3 / x^3 y^2 (the arrows mean to the power of the number)