Based on her results, what is the probability that two students were randomly picked and the first one chose romance and the second one chose action? 1/27

4/7

18/28

1/14

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?