Six times a number is greater than 20 more than that number. What are the possible values of that number?

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.

Which of the following describes the symmetry of the graph of y = x3?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse