(1) 5xyz2 - 3zy Identify the terms, there coefficients for each of the following expressions.

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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.

Factor and solve to find roots x squared -x - 90 =0