Hey econ students!

The video discusses the concept of the rate of a chemical reaction and how it can be calculated and expressed in various ways. The examples used in the video include measuring the amount of product formed or reactant used up over a...

we will explore the relation between the expressions: -a/b, -(a/b), and a/-b.

In the last few years the rates of vaccine preventable illness have been on the rise. This isn't just something that's happening in the United States - it's happening throughout the world. Often, these outbreaks begin with unvaccinated...

The video discusses rates of change in nonlinear graphs and the two ways to calculate the rate of change: average rate of change and instantaneous rate of change. The presenter provides examples, such as a rocket taking off and the...

During this video lesson we will learn the three ways to write a ratio. We will learn how to determine a rate and a unit rate. We will also learn how to simplify a complex rate to find the unit rate. We will also complete ratio tables...

Last week I talked about IUDs. But there are still a number of myths and misperceptions about them. I covered some of them in my last book, "Don't Put That in There, and 69 other sex myths debunked". But all of you didn't buy the book....

Use a rate and a unit rate to compare quantities with different units.

Solve word problems using unit rate.

We've been covering the news on recent vaping-related lung injuries, and a lot has happened since our last video. Time for an update!

Rates of teen suicide are rising, and rates for girls are higher than any time in the last 40 years. There are a number of ways to address this problem, but why aren't we using evidence based approaches to the problem?

The pandemic changed the real estate market for sellers and buyers alike. Here's what to know and how to take advantage of it.

Enzymes are really important proteins, that speed up the rates of reactions such as in photosynthesis, respiration and protein synthesis. The enzymes and substrates are always moving, and occasionally they collide at the right speed and...

More money is spent on treating cancer than preventing it within the United States. However, scientists are getting closer to finding out if cell growth within our bodies promotes already existing cancer. Scientists are examining...

While most people think interest rates will remain low for a long time, the FT's Robert Armstrong looks at the key factor that could upset that consensus – inflation – and what effect an increase in inflation would have on recent gains...

Mortgage rates remain near historic lows as a result of the Fed's efforts to boost the economy amid the COVID-19 pandemic. Here's how hopeful and current homeowners can benefit.

In this video, students will learn about unit rates by exploring real-world examples. The video explains that ratios compare numbers, while rates compare different units. It provides examples such as comparing the price of a gallon of...

This series of videos investigates the meaning of ratios and rates. Special emphasis is given to the processes of comparing ratios and simplifying ratios. Real-life examples help students comprehend these often hard-to-teach concepts.

This series of videos investigates the meaning of ratios and rates. Special emphasis is given to the processes of comparing ratios and simplifying ratios. Real-life examples help students comprehend these often hard-to-teach concepts.

In this video, the teacher explains the difference between linear and quadratic expressions. Linear expressions contain a variable and describe constant rates, while quadratic expressions include an x squared term and are used in...

In this lesson, students will learn about rates and their connection to ratios. The video explains that rates are a type of ratio that compare two or more quantities of different measures, such as miles per hour or price per pound. It...