Answer
87 measures an acute angle
Step-by-step explanation:
Step-by-step explanation:
F(x) = 1/9 - 9
= (1-81)/9
=-80/9
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I think the answer is A
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Answer:
Since the simplest form of the fraction 12/42 is 2/7, the simplest form of the ratio 12:42 is also 2:7.