If x-a is a factor of polynomial x3-mn2-2nax+na2 prove that a=m+n and a is not = 0

Marie drew the triangle shown. she wants to draw a second triangle that is different from this one. use the drop-down menus below to complete the statements about the second triangle.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.