What is the value of the 4 in 284.6172

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

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?