Paulo took out a $900 loan using an 12% simple interest rate for a period of 9 months. what the effective annual interest rate for the loan? give your answer as a percentage to the nearest tenth of a percent.

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

The radius of a sphere is 3 inches. which represents the volume of the sphere?