5years from now a father's age will be three times his son age in five years ago he was 7 times as old as his son was what are their present ages

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review