Jessica got a student loan of $8,000. The interest on loan is 6.2% annually. if Jessica pays off the loan in one year, how many dollars in interest will she pay?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute