Can some one explain how to get the answer to this : the record for the most amount of rain in the shortest periodontal time in the us was 12in. in 42 minutes. how much rain fell in 15 minutes? and in 28 minutes?

What properties allow transformation to be used as a problem solving tool

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

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.