Simplify.
A. 5
B. -4
C. 4
D. -5
Answer: A
Mathematics
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A. 
B. - 
C. 
D. - 
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Find the area.
A. 578 m2 B. 289 m2 C. 34 m2 D. 68 m2
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Evaluate the indicated trigonometric function of the acute angle ?.If ? is an acute angle of a right triangle and if tan ? = 
, then find the value of sin ?.
A. 
B. 
C. 
D. 
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Solve.10y - 9 = 63 + y
A. 
B. 6
C. 8
D. 
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