20% of the artifacts at the Highcreek Archaeology Museum are from ancient Egypt. If there are 180 artifacts from ancient Egypt, how many artifacts are at the museum in all?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers