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.
How AP Can Help You Succeed in College. Taking challenging AP courses can help you get into college. Once youâre in college, the skills that you developed in your AP courses â critical thinking, time management, study skills, etc. â will serve you well in college classes.