In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.
In this learning activity you'll analyze an introduction and determine whether or not it was effective. You'll also gain an understanding of what makes an effective introduction.
Buying a Car: What It Really Costs with Finance Charges (Screencast)
In this learning activity you'll calculate the difference in the total cost of a new car when using cash and when paying for the car with a 60-month loan.