If you are currently using a gas or electric pool heater, the savings from solar pool heating system will pay for itself in 2-3 years of installation. For example, the average system costs about $5,500 and it typically costs about $2,000 a year to heat a pool with gas.
In the United States, enrollment in AP Statistics classes has increased at a higher rate than in any other AP class. Students may receive college credit or upper-level college course placement upon the successful completion of a three-hour exam ordinarily administered in May.
Read on to learn how long you'll have to complete each section of the exam, what you'll be asked about and how to prepare for it. The MCAT lasts a total of about 7.5 hours. Of the four sections covered on this test, three of the sections allow 95 minutes for completion and one is limited to 90 minutes.