Combine like terms in the given polynomial. Then, evaluate for x = 3, y = – 1. xy + 3x y2 - 2xy + 3x+ y - 2xy2 + xy

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.