Well both a and b are correct because angles 4,6, and 7 are all congruent.
4 and 6 are alternate interior angles, 4 and 7 are corresponding angles, and 6 and 7 are vertical angles all equaling the same degree. so i would go with B only because it backs it up with proof and a is just an observation.
The height is around 4.77 mm
Did you mean -21(-2-5)+(-14)+6(8-4.3) ?
If that, the answer is 155.2:)) im sorry if im wrong:((
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Step-by-step explanation: she can have four people go and have the last 4 dollers can go in to her buying the lanes
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Step-by-step explanation:I would help you otherwise.I am sorry.Don't let this get you down.I hope you have a good day.