Asquare as 9 inch sides. every side of a pentagon is also 9 inches long. are their perimeters the same? explain your answer.

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.

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Tell whether the two rates form a proportion