An animated guide to solving simultaneous equations. Examples are used to show how to get rid of one unknown term to find the other. Use as an introduction or sum up to lessons on simultaneous ...

Prepares students for Precalculus and other higher math courses requiring intermediate algebra. Topics include: linear equations and inequalities, absolute value equations and inequalities, systems of ...

How to Solve Algebra Equations So far, we’ve done fairly simple algebra math equations, but let’s come up with some harder algebra math equations examples.

Expressions: The Visible Link Darwin believed expressions of emotion reveal the unity of humans and their continuity with animals ...

Algebra Ace releases '9th Grade Algebra Made Easy,' an affordable interactive guide using Desmos technology to help visual ...

The expressions that reveal how a horse is feeling Scientists link precise muscle movements to telltale signs of playfulness, aggression or alertness This feature is available for registered users.

Cats developed meows for communicating with people, so how do they "talk" to each other? As it turns out, they use 276 different facial expression.

Microexpressions are subtle and involuntary—but there are ways actors can learn to control them.

To mathematicians, equations are art. Just as many are moved by a painting or piece of music, to those who appreciate and understand math, expressions of numbers, variables, operations and ...