Simplify the expression.
+ csc x sin x
A. 1
B. sec2 x
C. tan2 x
D. csc2 x
Answer: D
Mathematics
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Find the formula for df-1/dx.f(x) = (10 - x)3
A. - 
B. -3(10 - x)2
C. 10 - x1/3
D. x2/3
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Solve the problem.After a new firm starts in business, it finds that its rate of profit (in hundreds of dollars) after t years of operation is given by 
Find the profit in year 6 of the operation.
A. $17,000 B. $22,300 C. $26,400 D. $10,600
Mathematics
Does the pair of triangles appear to be similar? Write similar or not similar.
A. Similar B. Not similar
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Complete.6000 mcg = ____ mg
A. 600 B. 60 C. 0.6 D. 6
Mathematics