Find the eccentricity of the hyperbola.x2 - y2 = 2
A. 
B. 2
C. 
D. 0
Answer: C
Mathematics
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Find the least common multiple of the numbers.20 and 30
A. 300 B. 200 C. 600 D. 60
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Find the exact value of the expression.sin 2835°
A. 2
B. - 
C. - 
D. - 
Mathematics
Find the quotient and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Simplify.87 - 3 ? 4 ? 5
A. 375 B. 1680 C. 75 D. 27
Mathematics