Find the indicated term of the binomial expansion.Middle two; (4x + 2y)9
A. 688,128x5y4 and 344,064x4y5
B. 172,032x3y6 and 1,376,256x6y3
C. 516,096x3y6 and 4,128,768x6y3
D. 2,064,384x5y4 and 1,032,192x4y5
Answer: D
Mathematics
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Graph.9(y + 2)2 - 25(x + 4)2 = 225
A. 
B. 
C. 
D. 
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Find the area A. Round the answer to three decimal places.
A. 3.491 yd2 B. 0.873 yd2 C. 1.111 yd2 D. 6.981 yd2
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Multiply.(x + 3)(4x + 4)
A. 4x2 + 14x + 12 B. 4x2 + 16x + 16 C. 4x2 + 16x + 12 D. 4x2 + 12x + 16
Mathematics
Solve the problem.The number of reports of a certain virus has increased exponentially since 1960. The current number of cases can be approximated using the function 
where t is the number of years since 1960. Estimate the of cases in the year 2010.
A. 207 B. 266 C. 240 D. 190
Mathematics