Find a1, r, an, n, or Sn for the geometric sequence, as instructed.a1 = 10, r = 
, an = 5; Find n.
A. 2
B. 4
C. 3
D. 1
Answer: A
Mathematics
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A. 62 m B. 23 m C. 54 m D. 31 m
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Change the given polar coordinates (r, ?) to Cartesian coordinates (x, y).
A. 
B. 
C. 
D. 
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Solve the equation. Express radicals in simplest form.x2 = 0.49
A. {24.5} B. {-0.7, 0.7} C. {-8, 8} D. {0.7}
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Find the inverse of the matrix.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics