Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 6y = 718x + 9y = 20
A. parallel
B. perpendicular
C. neither
Answer: B
Mathematics
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Factor the difference of squares.121mn4 - 121mp2
A. 121(mn2 + p)(mn2 - p) B. 121m(n2 + p)(n2 - p) C. m(11n2 - p)(11n2 + p) D. 121m(n2 - p)2
Mathematics
If the following number is a composite number, write it as a product of prime factors. Otherwise, identify it as prime.700
A. 5 ? 5 ? 5 ? 5 ? 7 B. 2 ? 2 ? 2 ? 5 ? 5 ? 7 C. 2 ? 2 ? 5 ? 5 ? 7 D. 2 ? 2 ? 2 ? 2 ? 7
Mathematics
Decide whether the ordered pair is a solution of the given system.(-5, 4)x + y = -1x - y = -9
A. No B. Yes
Mathematics
Perform the indicated operation where possible.
+ 
A. 
B. 
C. 
D. 
Mathematics