On weekends be mobs the kitchen floor

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0