Evaluate the expression.
?
?
A. 63
B. 19
C. 21
D. 2
E. 91
Answer: E
Mathematics
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Use scientific notation to solve the problem.If the speed of light is 3.00 x 108 m/sec, how long does it take light to travel 2.29 x 1011 m, the distance from the sun to Mars?
A. 7.6 x 102 sec B. 7.6 x 103 sec C. 76 sec D. 7.6 x 102 min
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Multiply.(x - 12)(-2x + 8)
A. -2x2 + 32x - 96 B. -2x2 - 96x + 32 C. -2x2 + 30x - 96 D. -2x2 + 32x + 32
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Provide an appropriate response.Given a geometric sequence such that a1 = 1 and a3 = 
, find a6.
A. 
B. 
C. 
D. 
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Find the opposite of the number.7
A. 7 B. -7 C. -1 D. 0
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