Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a12 when a = 4, r = 2.
A. 8192
B. 16,384
C. 26
D. 8196
Answer: A
Mathematics
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Simplify by combining like terms.3x + 3y - 5x + 6y
A. 9x - 2y B. 3x - 5x + 3y + 6y C. 7xy D. -2x + 9y
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Perform the indicated operation. Write your result in a + bi form.
A. - 
+ 
i
B. 
- 
i
C. 
+ 
i
D. - 
- 
i
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Multiply.
? 
A. 
B. 
C. 
D. 
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Find the exact value of the expression.sin 
A. 
B. 
C. 
D. - 
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