Help please !! i will give brainliest

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

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.

Write an equation for the function that includes the points (2,100)and (3,100)