What is the mean of 11 15 16 16 21 5 9

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

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

35 ! insert < , > , or = to make the sentence true. 12 __ 25 > =