Find a1, r, an, n, or Sn for the geometric sequence, as instructed.a1 = 5, r = 
, n = 4; Find an.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use a spherical coordinate integral to find the volume of the given solid.the solid bounded below by the sphere 
and above by the cone 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Use the dot product to find 
.v = 
A. 2i
B. -4
C. 10
D. 
Mathematics
Find the exact value under the given conditions.cos ? = - 
, 
< ? < ?; sin ? = 
, 
< ? < ?Find tan(? + ?).
A. 
B. - 
C. 
D. - 
Mathematics
Add.4 + (- 17) + 9
A. 30 B. -4 C. -22 D. -12
Mathematics