Find the common difference, d, for the arithmetic sequence.-8, -12, -16, -20, . . .
A. 12
B. -4
C. -12
D. -8
Answer: B
Mathematics
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Provide an appropriate response.Explain briefly what Fairness Criterion 4 means and give a voting method that may violate this criterion.
What will be an ideal response?
Mathematics
Solve the system of equations by use of determinants. y + z = 93x- z = 2 2x + y + 3z = 7
A. x = 
, y = 
, z = - 
B. x = 
, y = 
, z = - 
C. x = 
, y = 
, z = - 
D. x = - 
, y = - 
, z = 
Mathematics
Find the standard equation of the indicated hyperbola.Vertices at (0, ±3), foci at (0, ±10)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find the first four terms of the sequence.an = an-1 + an-2; a1 = 7, a2 = 7
A. 7, 7, 7, 21 B. 7, 7, 49, 343 C. 7, 7, 14, 14 D. 7, 7, 14, 21
Mathematics