Solve.
+ 
= 1
A. 7
B. 15
C. 3
D. 
Answer: B
Mathematics
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Find the surface area of the surface S.S is the upper cap cut from the sphere x2 + y2 + z2 = 169 by the cylinder 
.
A. 26? B. 13 C. 650? D. -26?
Mathematics
Rewrite each number using scientific notation before performing the operation. Leave your answer in scientific notation form.3 × 10-35 + 5 × 10-34
A. 5.3 × 10-33 B. 8.0 × 10-34 C. 5.3 × 10-34 D. 5.3 × 10-35
Mathematics
Evaluate the integral using the given substitution.
, u = cot 7?
A. - 
tan2 7? + C
B. - 
cot2 7? + C
C. 
cot2 ? + C
D. 
csc3 7? cot2 7? + C
Mathematics
Solve.Find the quotient of 126 and 13.
A. 8 R 8 B. 9 R 10 C. 9 R 9 D. 10 R 9
Mathematics