Mick paid $2.94 in sales tax on an item that cost $42.00 before tax. at that rate how much would he pay in sales tax for an item that costs $58.00 before tax? show your work.

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.