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.
Advanced Placement Program (AP) Information. Offers credit for AP Exams : Yes. Offers placement into higher-level courses for AP Exams : Yes. From the college: Most programs at Boston University award credit for test scores of 4 or 5 on most Advanced Placement Exams. For some programs and exams, credit is awarded for score of 3. The number of credits granted varies by school.