Find the value of x to the nearest tenth. X 3 9 3​

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.

Is this a polynomial function? i need to know asap

How do i put 3(x+7) in distributive property