Factor the trinomial completely.p2 - 9pq + 81q2
A. (p - 9q)2
B. (p + 9q)(p - 9q)
C. (p + 9q)2
D. prime
Answer: D
Mathematics
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Round following numbers as indicated.7.767 (nearest hundredth)
A. 7.76 B. 7.77 C. 7.78 D. 7.767
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Find the volume of the indicated region.The region enclosed by the cone 
between the planes 
and 
A. 
?
B. 248?
C. 248
D. 
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Use the given information to find the exact value of the trigonometric function.sin ? = 
, tan ? > 0
Find cos 
.
A. 
B. 
C. 
D. 
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Solve the problem.Suppose a car rental company charges $72 for the first day and $22 for each additional or partial day. Let S(x) represent the cost of renting a car for x days. Find the value of S(5.5).
A. $182 B. $193 C. $171 D. $121
Mathematics