Find the sum of the first 8 terms of the geometric sequence 4, -20, 100, ...
Fill in the blank(s) with the appropriate word(s).
–260,416
Mathematics
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Find the absolute value.-?-18?
A. 36 B. -18 C. 0 D. 18
Mathematics
Multiply.-4a3x9(12a7x9 + 5x6 - 12a)
A. -48a7x9 - 20x6 + 48a B. -48a10x18 + 5x6 - 12a C. -48a10x18 - 20a3x15 - 12a D. -48a10x18 - 20a3x15 + 48a4x9
Mathematics
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. 
Mathematics
The maximum value of 
subject to
is:
A. 
B. 
C. 
D. 
Mathematics