What is the correct evaluation of 2a2 - 3b2 when a is equal to 2 and b is equal to - 1?

A. 11

B. 5

C.-5

D.-11

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!