Perform the indicated operations.(-16a5 + 9a3) - (6a5 - 6a3)
A. -22a5 + 15a3
B. -10a5 + 3a3
C. -7a8
D. -22a5 + 3a3
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Rami is taking Cora out to dinner. He has $47.15 to spend. He wants to tip the server 15% of the cost of the meal. How much can he spend on the meal?
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Mathematics