Convert 77 centimeters into feet.
Hint: 1 in = 2.54 cm, 1 ft = 12 in
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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.

For which rational expression is -2 an excluded value of x?

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5