What is the sum of one gross, a quarter of a dozen and two scores

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package