Devon is is trying to find out the unit price on a 6 pack of drinks on sale for 2.99. His sister says that at the price, each drink would cost just over 2 dollars. Is she correct? If so how do you know? If shes not how could she have found the correct price?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

How many square centimeters of wrapping paper will be used to wrap the shoe box?