Collect like terms.9.2a + 9.6b - 1.8a - 6.5b
A. 7.4a + 16.1b
B. -7.4a + 3.1b
C. 11.0a + 16.1b
D. 7.4a + 3.1b
Answer: D
Mathematics
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Find the least common multiple (LCM) of the pair of numbers.11 and 9
A. 9 B. 11 C. 99 D. 20
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Choose the most reasonable unit of measure.Two liters of water: 2 
(mg, g, or kg)
A. g B. mg C. kg
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A. 15 B. 16 C. 14 D. 17
Mathematics