In the diagram, the measures of 22, 23 and 26 are 40°. The measure of 21 is 140°. Are lines cand d parallel?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

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

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