A function is given. Determine the average rate of change of the function between the given values of the variable. 17, 19, 21

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 measure of angle tvu shown in the diagram below

What are two numbers that have a sum of 15?