Simplify. Assume that all variables represent positive real numbers.
- 
A. -7
B. -3.5
C. - 
D. - 
Answer: A
Mathematics
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Multiply.(6x3)(-4x2)(-7x5)
A. -168x30 B. 168x30 C. 168x10 D. -168x10
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Find the value of the expression using the given values.
?x = 8, y = 9
A. -15 B. -111 C. 111 D. 15
Mathematics
Evaluate.108
A. 100,000,000 B. 1,000,000,000 C. 10,000,000 D. 800
Mathematics
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.15
- 5
A. 6
B. 9
C. 10
D. 10
Mathematics