Factor the special products.25k2 - 81m2
A. (5k - 9m)2
B. (5k + 9m)(5k - 9m)
C. prime
D. (5k + 9m)2
Answer: B
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Provide an appropriate response.In a large casino, the house wins on its blackjack games with a probability of 50.7%. Which of the following events is the most unlikely? A: You win at a single game. B: You come out ahead after playing forty times. C: You win at a single game given that you have just won ten games in a row. D: You win at a single game given that you have just lost ten games in a row.
A. C B. A C. D D. B
Evaluate the line integral along the curve C.
ds , C is the curve r(t) = 3ti + (6 cos 
t)j + (6 sin 
t)k , 0 ? t ? 
?
A. 
?2 + 18
B. 
?2 + 36
C. 
?
D. 
+ 18
Solve.The product of a number and -9 amounts to five times the sum of that number and 28. Find the number.
A. -9 B. 10 C. -10 D. 9
Find x in the figure.
A. 
B. 
C. 17
D. 