Find the first term a1 and the common difference d of the arithmetic sequence.
, 
, - 
, - 
, . . .
A. a1 = - 
, d = 
B. a1 = 
, d = 
C. a1 = 
, d = - 
D. a1 = - 
, d = - 
Answer: C
Mathematics
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A. 9x
B. 
x
C. 12x
D. 36x
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?
What will be an ideal response?
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Solve the system of equations.x + 3y + 4z = 0 2y + 2z = -2 z = 4
A. (-1, -5, 4) B. (4, -5, -1) C. (-5, -1, 4) D. (-1, 4, -5)
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