Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 9; d = 4an = ?; a14 = ?
A. an = 9 + 4n; a14 = 61
B. an = 5 - 4n; a14 = 61
C. an = 5 + 4n; a14 = 29
D. an = 5 + 4n; a14 = 61
Answer: D
Mathematics
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Write a matrix equation equivalent to the system of equations. 9x - 2y + 2z = 50 3x + 4y + 2z = 32 7x - 2y + 4z = 40
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