Cari is searching online for airline tickets. two weeks ago, the cost to fly from boston to denver was $300. now the cost is $375. what is the percent increase?

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?