Factor completely.9k2 - 100m2
A. (3k + 10m)2
B. (3k + 10m)(3k - 10m)
C. (3k - 10m)2
D. (9k + m)(k - 100m)
Answer: B
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Evaluate the cylindrical coordinate integral.
A. 2,310,000?
B. 1,540,000?
C. 
?
D. 1,925,000?
Provide an appropriate response. A catalog company is considering the purchase of an 800 phone number. Without the 800 number, calls cost $0.22 per minute, and with the 800 number calls will cost $0.13 per minute plus a $55.00 flat rate. Write a symbolic statement that could determine the minutes of calls that would make the $0.22 per minute charge equal to a $0.13 per minute charge including the $55.00 flat rate.
A. 0.22 = 0.13 + 55.00x B. 0.22x = 0.13 + 55.00x C. 0.22x = 0.13x + 55.00 D. 0.22x + 55 = 0.13x
Match the equation with the surface it defines.- 
+ 
+ 
= 1 
A. Figure 2 B. Figure 4 C. Figure 3 D. Figure 1
What is the domain of f(x)? What is its range?f(x) = 
A. Domain: (-?, 6) ? (6, ?); range: (-?, 0) B. Domain: (-?, -6) ? (-6, ?); range: (-?, 0) C. Domain: (-?, 6) ? (6, ?); range: ( 0, ?) D. Domain: (-?, 6) ? (6, ?); range: (-?, 4)