The first term of an A. Pis 3 and the fifth term is 9. Find the number of terms in the progression if
the sum of the progression is 81

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

Write the rational number in lowest terms 99/-15

Which statements are true about additional information for proving that the triangles are congruent check all that apply