15 decreased by twice a number

What is the following difference? 11/45 - 4.5

Alyssa divides a granola bar into halves. How many equal parts are there?

How to find the greatest common factor of two numbers?

If A=78º, b=16, c=7, what is the area of this triangle?

A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a + 4b). What is the volume of the box in terms of A and b

Circle O is represented by the equation (x+7)

How many solutions does the equation 2 - 4x + 4 = 0 have

Tulio's plant 40 inches tall in May. InJune, it grew 3 inches. In July, it grew 4 times as much as it grew in june.

To keep heating costs down for a structure, architects want the ratio of surface area to volume as small as possible. An expression for the ratio of the surface area to volume for the square prism shown is 2b+4h/bh.

Find the simple intrest 130$ 10% 4years