Multiply using one of the rules for the square of a binomial. Assume any variable exponents represent whole numbers.(11xy2 - xy)2
A. 121x2y2 - 22x2y3 + x2y2
B. 121x2y4 - 22x2y3 + x2y2
C. 11x2y4 - 22x2y3 + x2y2
D. 121x2y4 - 11x2y3 + x2y2
Answer: B
Mathematics
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A. P = 
B. P = 
C. P = 
D. P = 
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Use the formula for the sum of the first n terms of a geometric sequence to evaluate the sum.
A. 820 B. -204 C. -500 D. -51
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Write the decimal in words.7.55
A. seven and fifty-five thousandths B. seven and fifty-five millionths C. seven and fifty-five hundredths D. seven and fifty-five tenths
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Find the rectangular form for the indicated power of the complex number.z4; z = 3
A. 81i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
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