Subtracting 3xy2 from 8xy2 gives the same result as the expression

answers
3xy^2- 8xy2
-7xy^2-2xy^2
7xy^2-2xy^2

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?

Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.