Mary is in n years old. How old she be 12 years? How old was she 4 years ago

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

In trapezoid bath, ah=19.7 and et=16.1. identify be.

What is the equation of the graph below? y=sec(x)-4