Find -x.x = 0
A. -10
B. Not defined
C. 0
D. -1
Answer: C
Mathematics
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Rationalize the numerator of the following expression and then simplify your answer.
?
?
A. 
B. 6
C. 216
D. 
E. 
Mathematics
Find the least common multiple of the numbers in the group.120, 270
A. 30 B. 1080 C. 2160 D. 3240
Mathematics
Write an equation to describe the variation. Use k for the constant of proportionality.p varies directly as the square of q and inversely as the cube of r.
A. p + q2 - r3 = k
B. p = 
C. pq2r3 = k
D. p = 
Mathematics
Solve.2n - 6 = 2
A. 6 B. 10 C. 7 D. 4
Mathematics