Mariah makes bead necklaces. beads are packaged in bags of 50 and bags of 200 mariah bought 4 bags of 50 beads and 3 bags of 200 beads. how many beads did mariah buy?

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

Which one ? is the answer and how to find this answer

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.