Find the indicated term of the binomial expansion.(4x - 2y)13; 12th term
A. -2,555,904x2y11
B. 1,277,952x2y12
C. -638,976x11y2
D. 1,277,952x11y2
Answer: A
Mathematics
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Write the product as one base with one exponent.h0 ? k2
A. k2 B. hk2 C. 1 D. 0
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Two cards are drawn from a standard deck of cards, and one of the two cards is noted and removed. Find the probability of drawing the second card, given the information about the removed card.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find all solutions of the equation. Express the solution in radians.cos x = 
A. 
+ 2n? or 
+ 2n?
B. 
+ 2n? or 
+ 2n?
C. 
+ 2n? or 
+ 2n?
D. 
+ 2n? or 
+ 2n?
Mathematics
The two triangles below are similar. Find the missing length.
A. x = 21 B. x = 10 C. x = 7 D. x = 14
Mathematics