Choose the letter of each measurement in the first column next to the equivalent measurement in the second column.

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 pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.