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.
AP Exams are your opportunity to show what you know and what you can do. Taken each May by students all over the world, the AP Exam is the final step you take after a year of hard work in an AP class. These standardized exams are designed to measure how well youâve mastered the content and skills of the course â a successful score could even earn you credit and advanced placement in college.