What is 23+ 32 - 2 x 3

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.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work