A hierarchy of quadrilaterals is shown. Name the figures that complete the hierarchy. Number the figures in your response to indicate where in the diagram they belong.
Quadrilaterals
four right angles
no
yes
both pairs of
opposite angles
congruent
four congruent sides
yes
yes
no
2
four congruent sides
exactly one pair of
opposite sides parallel
yes
no
yes
no
3
4
congruent diagonals
7
yes
no
5
6

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)

Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?