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.
One of the greatest challenges of students entering college is realizing how much time they need to study. In high school, you were in class 35 hours a week and did about 5 hours of homework for a total of 40 hours per week. In college, you will only be in class 15- 20 hours per week, and college is more challenging than high school. You will need to do a lot more learning on your own. To succeed at Cal Poly, you need to study two hours per unit per week, or 25-35 hours per week. That's 40-50 total hours per week, which is similar to high school and the equivalent of a full-time job.