In this video I will show you how simplify 18 expressions using only the Pythagorean identities. We will cover I make short, ...

In this video, we work through 43 different examples for simplifying radical expressions. We focus on the square roots of ...

Susan Gilkerson, a math teacher and school bus driver, stood before a South Dakota education board and issued a warning.  The proposed math standards the board was considering — just 36 pages, less ...

Model math standards produced by conservative education advocates helped spark a battle in South Dakota that could spread to other states.

Model standards produced by right-leaning education advocates helped spark a battle that could spread to other states ...

The effort follows earlier battles over social studies and could spread to other states reviewing academic standards.

Cryptography is a must-know skill in 2026, powering everything from online payments to data privacy.The right books can ...

The central limit theorem started as a bar trick for 18th-century gamblers. Now scientists rely on it every day.

Brex reports that choosing the right invoice payment method is crucial for efficiency, impacting costs, time, and vendor relationships.

Q4 2025 earnings recap: 24% sales growth, 15% comp, margin expansion, tariff outlook and 2026 guidance—get key takeaways and what’s next.

Elizabeth Hora, Utah former state public archaeologist, will dig into the region’s prehistory when she gives a lecture titled “On the Trail of Fremont Shield Bearers.” The free presentation will start ...