Find the coordinates of the midpoint of the line segment PQ.P(m, n), Q(n, m)
A. 
B. 
C. (mn, mn)
D. (m + n, m + n)
Answer: A
Mathematics
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Convert the improper fraction to a mixed number.
A. 12
B. 
C. 10
D. 11
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Write an equivalent expression without negative exponents.
A. 
B. 
C. - 
D. - m2n6
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Solve the system by the addition method.6x + 5y = 956x + 2y = 110
A. {(-20, 5)} B. {(-5, 20)} C. {(20, -5)} D. {(-20, 6)}
Mathematics
Find the amplitude of the function. y = -3 cos 
x
A. 
B. 3
C. 
D. 4?
Mathematics