Which of the following is a proportion. Pls ignore the dot

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)?

You can find the constant of proportionality by finding the ratio of

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18