In a survey 27% of the people chose salads over a meat dish and in all 81 people chose salads. how many people were in the survey

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)?

What is the area of the triangle 10 13 12

Can you me find the missing length. i attached an image.