Can you help me with this ?:) With explanation step-step Thanks

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 range? can’t seem to find it out

How to find the exponential function y=ca^x, with points (1,2) and (2,1)