Write a matrix equation equivalent to the system of equations.3x - 9y + 12z = 4-4x + 3y - 10z = 3
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: D
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Solve the problem.If the Hamilton Method is used to apportion legislative seats to three states with the populations given in the table, then the Alabama Paradox occurs when the number of seats being apportioned increases from 150 to 151. 
In which state does the paradox show up?
A. b B. c C. a
Graph the equation. Include the coordinates of any local extreme points and inflection points.y = 
A. local minimum: (0, 0)
no inflection points
B. local minimum: 
no inflection points
C. local minimum: 
no inflection points
D. local minimum: (0, 0)
inflection points: 
, 
Find the future value of the deposit if the account pays simple interest. Round to the nearest cent.$1420 at 2.3% for 7 years
A. $1645.35 B. $1681.28 C. $1648.62 D. $1540.33
Solve the problem.Andy has some $10 bills and some $20 bills in a shoebox under his bed. He has a total of 38 bills worth a total of $510. How many $20 bills does he have?
A. 12 $20 bills B. 10 $20 bills C. 13 $20 bills D. 15 $20 bills