A group of friends go to lunch. The bill for the meal, including tax, is $75. The service was fair, so they leave a tip that is 15% of the bill. What is the total cost of the meal, with the tip?

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)?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?