Evaluate -(-x) for the given value of x.x = - 
A. 
B. -49
C. 49
D. - 
Answer: D
Mathematics
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A. 8 B. 22 C. 64 D. 9
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Perform the operation or operations when possible.[-2 8 4] - [4 3]
A. [-6 5 1] B. [-6 5 4] C. They cannot be subtracted. D. [-6 8 1]
Mathematics
Insert <, >, or = between the pair of numbers to form a true statement.0.688 _____ 0.687
A. = B. < C. >
Mathematics
Multiply.× 
A. 21.11 B. 35.6 C. 22.1 D. 21
Mathematics