# Math

### How to Calculate Percentiles in Statistics

If all you are interested in is where you stand compared to the rest of the herd, you need...

### Pre-Algebra Practice Questions: Solving Simple Alg...

When dealing with simple algebraic expressions, you don’t always need algebra to sol...

### Pre-Algebra Practice Questions: Isolating x in an

You can solve algebraic equations by isolating x—that is, by getting x alone on one side...

### Pre-Algebra Practice Questions: Rearranging Equati...

A quick method for solving algebra problems is to re-arrange the equation by placing all x...

### Pre-Algebra Practice Questions: Cross-Multiply to...

When an algebraic equation contains fractions, you can use cross-multiplication to solve t...

### Pre-Algebra Practice Questions: Finding the Volume...

To find the volume of a prism or cylinder, you can use the following formula, where Ab is...

### Pre-Algebra Practice Questions: FOILing with Two S...

When an expression has two sets of parentheses next to each other, you need to multiply ev...

### Pre-Algebra Practice Questions: Finding the Volume...

The formula for the volume of a pyramid is the same as for the volume of a cone. In this f...

### Converting Improper and Mixed Fractions: Algebra P...

In algebra, an improper fraction is one where the numerator (the number on the top of the...

In Algebra

### Pre-Algebra Practice Questions: Applying the Engli...

The English system of measurement is most commonly used in the United States. If you were...