create a linear equation for a word problem dealing with income and total masks sold if you know the company has 50,000 to invest and they will sell each mask for 11.50 and the original cost of the mask is 3.50.

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)?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Maurice has 54 fewer comic books than rebecca. they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection