A bag contains 120 marbles. some are red and some are black. there are 19 red marbles for every black marble. how many red marbles are in the bag?

How would you classify number 125? A perfect square B perfect cube C both a perfect cube and a perfect square D neither a perfect square nor a perfect cube

The length of a rectangle is equal to three times its width. If the perimeter is equal to 96 feet, what is the length of the rectangle?

A recipe calls for 1 3/4 cups of flower. If the recipe is tripled, how much flower is needed?

An object's motion is described by the equation d = 4 sin (pi t). The displacement, d, is measured in meters. The time, t, is measured in seconds.

Kim's bill at a O'Charley's Restaurant is $27 and she leaves a 15% tip. a. What is the amount of the tip? b. What is the amount of tax on Kim's bill if tax is 6%? c. What is Kim's total bill with tax and tip?

How to explain that x/y can result in either a positive or negative quotient

Simplify 2a2b3 (4a2 + 3ab2 - ab) = ? A. 8a4b3 + 6a3b5 + 2a3b4 B. 8a4b3 + 6a3b5 - 2a3b4 C. 8a4b5 + 3a3b5 - 2a3b4 D. 8a4b5 + 3a3b5 + 2a3b4

If m squared minus 5 over 2 m equals negative 11 over 2 what does m equal

Complete the number sentence to show an example of the distributive property 3x6

What is 33 1/3% as a decimal? NOW!