Answer:
r = 13
Step-by-step explanation:
these angles are vertical and are congruent
8r + 6 = 9r - 7
6 = r - 7
13 = r
Answer:
lesser x = -4.73205, so -4.73
greater x = -1.26795, so -1.27
B. The sample is likely to represent one portion of the population.
This is impossible to say because it's random.
Answer:

Step-by-step explanation:

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