If the original quantity is 100 and the new quantity is 88 , what is the percent decrease?

The estimated monthly sales of Mona Lisa paint-by-number sets is given by the formula q = 104e-3p2 + p, where q is the demand in monthly sales and p is the retail price in hundreds of yen.

In a pool of students at the basketball championship, 82% of the students say that basketball is better than football

What is the relationship between the arc length and the radius of a circle when the central angle is defined in radians?

Samantha McQuade bought a blender and gave the store's clerk a $50 bill and a $1 bill. She received $.72 in change. If the sales tax rate in her community is 7.5%, what was the selling price of the blender before taxes?

Write 0.12 as a fraction in simplest form.

What is 4 (3x+2) = 8 + 12x

Find the center and foci of the ellipse (x+5) / 5 + (y+9) / 9=1

How can you write the outer dimension of the walkway?

5/8 + 3/8 simplified

What are 20 tiles in 5 rows?