Provide an appropriate response.Factoring x4 - 81 gives
A. (x2 + 9)(x2 + 9)
B. (x2 - 9)(x + 3)(x - 3)
C. (x2 -9)(x2 - 9)
D. (x2 + 9)(x + 3)(x - 3)
E. (x + 3)2(x - 3)2
Answer: D
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Solve the problem.Find the average distance from a point 
in the region bounded by 
to the origin.
A. 
B. 
C. 
D. 
Find all possible solutions to the problem.A rectangle has an area of 42 in2. Its length and width are whole numbers. What are the possibilities for the two numbers?
A. 2 and 21, 3 and 14 , 6 and 7 B. 1 and 42, 2 and 28, 3 and 14, 6 and 7 C. 1 and 42, 2 and 21, 3 and 14 , 4 and 8, 6 and 7 D. 1 and 42, 2 and 21, 3 and 14 , 6 and 7
Solve the problem.A number is increased by 14% to 847. Find the original amount. Round to the nearest hundredth.
A. 847.00 B. 965.58 C. 842.98 D. 742.98
Expand the expression using the Binomial Theorem.(x2 + 4y)4
A. x8 + 12x6y + 96x4y2 + 192x2y3 + 256y4 B. x8 + 16x6y + 96x4y2 + 256x2y3 + 256y4 C. x6 + 16x5y +24x4y2 + 16x2y3 + 4y4 D. x6 + 12x5y + 96x4y2 + 192x2y3 + 256y4