Eric is driving a car in which the speedometer is calibrated in kilometers per hour (kph). He notes that his car is traveling at a rate of 75 kph, when he passes a speed limit sign stating the limit is 40 miles per hour (mph). He knows that a kilometer is about 5/8 of a mile. If a police officer stops him at this point, how many mph over the limit will the ticket read?

The FM band covers

Jonathan spent four hours doing calculus problems, one hour playing Web-based video games, half an hour talking to his girlfriend, and two hours lifting weights and exercising. What percentage of his time was spent on math problems?

The floats in Tubes A and B measure specific gravity. Which tube contains the liquid with the higher specific gravity?

The terminals exposed on the ignition induction coil are