Calculate the area of the surface S.S is the cap cut from the paraboloid z = 
- 7x2 - 7y2 by the cone z = 
.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Answer true or false.
= - 
= 
A. True B. False
Mathematics
Find the zeros of f(x), given that one zero is k.f(x) = 3x4 - 16x3 + 56x2 - 56x + 13
k = 
A. -1, - 
, 3 ± 2i
B. -1, 
, 2 ± 3i
C. 1, 
, 2 ± 3i
D. 1, - 
, 3 ± 2i
Mathematics
Complete.15
gal = qt
A. 63 B. 60 C. 126 D. 30
Mathematics
The bar graph shows the number of new residents in several towns during the years 1999 to 2001. Use the graph to answer the question. 
How many more new residents were there in total in 2001 than in 1999?
A. 172 B. 141 C. 154 D. 168
Mathematics