Evaluate the sum.
5k
A. -140
B. -20
C. 140
D. 20
Answer: D
Mathematics
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Write the equivalent fractions with the least common denominator.
and 
and 
A. 
= 
; 
= 
; 
= 
B. 
= 
; 
= 
; 
= 
C. 
= 
; 
= 
; 
= 
D. 
= 
; 
= 
; 
= 
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Express the following in interval notation.
A. (-?, 0] ? (4, ?) B. (0, 4] C. (-?, 0) ? (4, ?) D. (-?, 0) ? [4, ?)
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Use the prime factorization method to find the LCM of the variable expressions.2xy2 and x3y
A. 5x3y2 B. 4x2y3 C. 2x3y2 D. 4x3y2
Mathematics
Establish the identity.
= 
What will be an ideal response?
Mathematics