Which expression represents “14 minus the difference 7 and 2”

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.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

What is fraction that is equivalent to 3/8