Answer:
acute
Step-by-step explanation:
Evaluate the angle C = (11x + 85)/3 at x = 13:
C(13) = (143 + 85)/3, or 76 degrees. This is an acute angle (more than 0 and less than 90 degrees).
To convert a mixed fraction into an improper fraction:
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Answer:
a. 3x^2 = 81
x^2 = 27
Step-by-step explanation: