The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.3 + (-2) + (-13) + 9
A. 27
B. 5
C. -21
D. -3
Answer: D
Mathematics
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Find the limit.
A. Does not exist B. 1/2 C. 1/4 D. 0
Mathematics
Rationalize the denominator. Simplify, if possible.
A. 137
B. 
C. 
D. 16
Mathematics
Write the rational expression in lowest terms.
A. Already in lowest terms B. -1 C. 1 D. -m
Mathematics
Multiply.
x4y2(3x + 9y + 10)
A. 
x5y2 + 
x4y3 + 5x4y2
B. 11x4y2
C. 
x5y2 + 
x4y3 + 5
D. 
x5y2 + 
x5y3 + 5x4y2
Mathematics