Provide an appropriate response.Which of the statements below is true?A: If (r1, ?1) and (r2, ?2) represent the same point in polar coordinates, then 
B: If (r1, ?1) and (r2, ?2) represent the same point in polar coordinates, then 
for some integer n.
A. B only
B. A only
C. Neither A nor B
D. Both A and B
Answer: B
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Determine convergence or divergence of the alternating series.
A. Diverges B. Converges
Solve.21 = -19 + a
A. a = -40 B. a = -2 C. a = 40 D. a = 2
Find the GCF.p2q4r, p5q2r3
A. p2q2r B. p3q2r3 C. p3q2r2 D. p2q2
We have encoded a message by assigning the numbers 1 - 26 to the letters a - z of the alphabet, respectively, and assigning 27 to a blank space. We have further encoded it by using an encoding matrix. Decode this message by finding the inverse of the encoding matrix and multiplying it times the coded message.The encoding matrix is A = 
and the encoded message is 88, 103, 115, 84, 99, 104, 41, 43, 46, 40, 49, 45, 86, 91, 113, 52, 61, 65.
Fill in the blank(s) with the appropriate word(s).