Find the sum.-21.0 + [15.4 + (-9.7)]
A. 26.7
B. 4.1
C. -15.3
D. 46.1
Answer: C
Mathematics
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Add.9 + (-5)
A. 14 B. -14 C. 4 D. -4
Mathematics
Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.(mn-11)(m-6n6)
A. 
B. m5n5
C. 
D. 
Mathematics
Plot the point.(-3, -4)
A. 
B. 
C. 
D. 
Mathematics
Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. x7
B. x8
C. x6
D. x7
Mathematics