The simple interest I on an investment of P dollars at an interest rate r for t years is given by t. Find the time it would take to earn $1400 in interest on an investment of $27,000 at a rate of 4.2%.

Which of the following points is collinear with (-2,1) and (0,3)

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?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.