Add or subtract, as indicated. Assume that all variables represent positive real numbers.
+ 2
+ 2
A. 4x
B. 4x
C. 9x
D. 9x
Answer: D
Mathematics
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A. 50 B. 25 C. 0 D. -25
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Use a proportion to solve the problem.The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 136 yards with a 7-iron, how far should he average with a 5-iron?
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Graph the function.y = sin x
A. 
B. 
C. 
D. 
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