Jen listened to 10 songs. Each song was m minutes long. She listened to 4 more minutes later. Write an expression to represent how many
minutes of music she listened to

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

What is the range for 31,39,29,34,37,24,36,33,34,28

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.