Express in terms of a base raised to a positive exponent. Then simplify, if possible.6-1 

A. 7
B.
C. -6
D. 6

Answer: B

Mathematics

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Find the integral.

A. 3x3 + 30x - x-1 + C
B. 3x3 + 15x - x-1 + C
C. x2 + 5 ln  + C
D. x4 + 25 ln  + C

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Find the sum.

A. 37 B. 39 C. 74 D. 20

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Solve the system by substitution.0.6x + 0.6y = -5.4  x - 0.4y = -3.4

A. ? B. {(-5, -4)} C. {(-4, -5)} D. {(-0.5, -0.4)}

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Mathematics

Express the product as a sum containing only sines or cosines.sin(9?) cos(5?)

A. [sin(14?) + sin(4?)]
B. [cos(14?) - cos(4?)]
C. sin cos(45?2)
D. [sin(14?) + cos(4?)]

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Mathematics