PLEASE HELP IM STUCK ON A PROBLEM.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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.

Abcd is a square. what is the measure of angle bac