Divide. Write with positive exponents.
A. 49x8 - 7x2 - 3 + 
+ 
B. 7x3 - 7x2 - 3
C. 7x3 - 49x7 - 21x5 + 14x3 + 3x2
D. 7x3 - 7x2 - 3 + 
+ 
Answer: D
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Solve by using the square root property.x2 + 343 = 0
A. - 7
, 7
B. - 14i
, 14i
C. - 7i
, 7i
D. - i
, i
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3 and P4.)The Banzhaf power distribution of the weighted voting system is
A. P1: 
; P2: 
; P3: 
; P4: 
.
B. P1: 
; P2: 
; P3: 
; P4: 
.
C. P1: 
; P2: 
; P3: 
; P4: 
.
D. P1: 
; P2: 
; P3: 
; P4: 
.
E. none of these
Find the common ratio for the geometric sequence.5, 
, 
, 
, . . .
A. 
B. 
C. 
D. 1
Find anand a6 for the following arithmetic sequence.a10 = 40, a11 = 6
A. an = 346 - 34(n - 1), a6 = 142 B. an = 346 + 34(n - 1), a6 = 550 C. an = 346 + 34(n - 1), a6 = 516 D. an = 346 - 34(n - 1), a6 = 176