4. An octagon has angles of 120°, 140°, 170° and 165º. The other angles are all equal. Find their measures..

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What is the shape of the height and weight distribution

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps