Mick paid $2.94 in a sale tax an item that cost $42.00 before tax. at that rate, how much would he pay in sales tax for an item that cost $58.00 before tax?

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

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step-by-step explanation:

1+1=2