Factor the polynomial completely.25x2 - 16
A. (5x + 4)(5x - 4)
B. (5x - 4)2
C. (25x + 1)(x - 16)
D. (5x + 4)2
Answer: A
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Solve the problem.A corporation's bank account has 
in it when the treasurer writes checks for 
, 
, and 
. Then deposits of 
and 
style="vertical-align: -4.0px;" /> are made. How much is in the account? Is it overdrawn? A. $9595, no B. $3233, no C. $5239, no D. $-9595, yes
Decompose into partial fractions.
A. - 
- 
B. - 
- 
C. - 
- 
D. 
+ 
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3 and P4.)The number of losing coalitions is
A. 1. B. 4. C. 14. D. 11. E. none of these
Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). By using linear regression, the following equation is obtained: 
where x is the cost of advertising (in thousands of dollars) and y is number of products sold (in thousands). Use this equation to predict the number of products sold if the cost of advertising is $7000.
A. 72.33 B. 19,585.8 C. 82.03 D. 75.33