Adolphin went 15 feet below sea level to catch a fish. a shark went twice as deep, then swam down an additional 10 feet to catch a larger fish. which expression represents the shark’s position in relation to sea level?

1. 2(-15) + (-10)
2. 2(-15) + 10
3. 2(-15) - (-10)
4. 2(15) + (-10)

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

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.

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.