For the given vectors u and v, find the angle between them.u = 
, v = 
A. 96.5°
B. -14.2°
C. 100.6°
D. 104.2°
Answer: D
Mathematics
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Find the probability.A bag contains 13 balls numbered 1 through 13. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 
B. 
C. 
D. 6
Mathematics
Find an equation for the ellipse described.Center at (0, 0); focus at (0, -3); vertex at (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the sum or difference. Write the answer in standard form, a + bi.3i - (-6 - i)
A. 6 - 2i B. 6 + 4i C. -6 - 4i D. -6 + 2i
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Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics