Use a graphing calculator to find the sum of the geometric sequence. Round answer to two decimal places, if necessary.4 - 12 + 36 - 108 + 324 - ... + 4 ? (-3)9
A. -59,054
B. -59,048
C. -59,050
D. -59,041
Answer: B
Mathematics
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Provide an appropriate response.Is 
dx = 
+ C?
A. Yes B. No
Mathematics
Solve the system.x + 3y + 3z = -20 3y + 4z = -29 z = -5
A. ? B. {(4, -5, -3)} C. {(-5, -3, 4)} D. {(4, -3, -5)}
Mathematics
Provide an appropriate response.If an unknown is used in an equation and no coefficient is in front of a letter, it is understood to be a(n):
A. 10 B. unknown C. 0 D. 1
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.x2 - 4x - 7 = 0
A. {-2 + 
, -2 - 
}
B. {2 + 
, 2 - 
}
C. {2 + 
, 2 - 
}
D. {4 + 
, 4 - 
}
Mathematics