Use either the binomial theorem or Pascal's Triangle to expand the binomial.
3
A. a3 - 
a2 + 
a - 
B. a6 - 
a4 + 
a2 - 
C. a6 - 
a4 - 
a2 - 
D. a6 - 
a4 + 
a2 - 
Answer: B
Mathematics
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Use the summation properties to evaluate the series. The following rules may be needed: 
.
A. 13 B. 15 C. - 1 D. 29
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Evaluate the limit.
A. 0
B. 1
C. ?
D. 
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Solve the problem.The range r of a projectile is given by 
where v is the initial velocity and ? is the angle of elevation. If r is to be 
and 
what must the angle of elevation be? Give your answer in degrees to the nearest hundredth.
A. 0.48° B. 0.24° C. 89.76° D. 0.34°
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Two cards are drawn (without replacement) from an ordinary deck of 52 cards. Find the probability that both cards are aces.
A. 
B. 
C. 
D. 
E. none of these
Mathematics