Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 9 terms of the geometric sequence: 
, 
, 
, 
, 
, . . . .
A. 
B. 
C. 101
D. 
Answer: B
Mathematics
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Convert the rectangular coordinates to polar coordinates, using radian measure for the angle.(-6, -6)
A. (6
, 
)
B. (6
, 
)
C. (-6
, 
)
D. (-6
, 
)
Mathematics
Provide an appropriate response.Find the area of the lattice polygon.
A. 6 B. 8 C. 12 D. 2
Mathematics
Simplify, and write the answer using only positive exponents. Assume all variables represent nonzero numbers.
A. 96 B. 34 C. 277 D. 36
Mathematics
Determine if the function is concave up or concave down in the first quadrant.y = x4/9
A. Concave up B. Concave down
Mathematics