The number of nails in a 5 lb box is normally distributed with a mean of 325 nails and a standard deviation of 15 nails.

suppose that 1200 different 5 lb boxes are in a warehouse.

about how many boxes contain more than 340 nails?

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

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.

How can you construct perpendicular lines and prove theorems about perpendicular lines