Ascanner scanned 63 photos in 9 minutes. if it scans photos at a constant rate, it can scan photos in 21 minutes.

Based on what i know about mean, this doesn't add up.

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 bake stars picked 907 apples last weekend at a local orchard they made caramel apples and sold them in the bakery in trays of 6