Find the perimeter. Use ? ? 3.14. Round the answer to the nearest tenth.
A. 112.3 m
B. 140.5 m
C. 176.5 m
D. 98.5 m
Answer: B
Mathematics
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Classify the system as either consistent or inconsistent.
A. Inconsistent B. Consistent
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Determine whether the graph of f(x) is a sinusoid.f(x) = 2 cos 2x - cot x
A. No B. Yes
Mathematics
Give the exact value.sec 240°
A. - 
B. 2
C. 
D. -2
Mathematics
Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Mathematics