Use the interactive graph to plot each set of points. Which sets represent proportional relationships? Check all that apply.
(1, 4), (3, 8), (5, 9)
(3, 2), (6, 4), (9, 6)
(2, 2), (4, 4), (6, 6)
(1, 3), (2, 7), (3, 8)
(0, 0), (1, 2), (2, 4), (4, 8)

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%