Find the premeter of the following rectangle

Which expression is equivalent to 4 square root 6 divided by 3 root 2

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

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.