Maureen cut a 20-cm ribbion into exactly three pieces. the first piece is 3cm shorter than the second piece. the third piece is 4cm shoter than the second. find the length of the shortest piece.

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years