The access code for a vault consists of four digits. The first digit must be even and the last digit cannot be a zero. How many possible
codes are there?

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.

Does anyone know how to do geometryme with this problem

98 point question what is the record for most points in one