What is the value of n? enter your answer in the box .

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.

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply