Can someone please help me find the sum of each interior angle measure of the polygon, and can you please explain. I need help on both of these questions.

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)?

If angle 2=3x +1 and angle 3=2x +4what is angle 2

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1