If the given sequence is a geometric sequence, find the common ratio.
, 
, 
, 
A. -3
B. not a geometric sequence
C. 
D. 3
Answer: B
Mathematics
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Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 - 8x = 15
A. {4 ± 
}
B. {8 ± 
}
C. {4 ± 
}
D. {-4 ± 
}
Mathematics
Compare using <, >, or =.9 m 
95 cm
A. > B. = C. <
Mathematics
Write the contrapositive of the statement.If he is not working in Sweden, then he is vacationing in Belgium.
A. If he is not vacationing in Belgium, then he is working in Sweden. B. If he is working in Sweden, then he is not vacationing in Belgium. C. If he is vacationing in Sweden, then he is not working in Belgium. D. If he is not vacationing in Sweden, then he is working in Belgium.
Mathematics
Solve.2r + 6 = 18
A. 10 B. 3 C. 6 D. 14
Mathematics