You and a friend each roll a die to see who goes first in a board game. what is the probability that at least one of you rolls a 6

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?