Perform the indicated operation or operations.
- 
A. 
B. 
C. 
D. 
Answer: A
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Graph the system of inequalities. Find the coordinates of the vertices.3y + x ? 0,y + 2x ? 10,y ? 0
A. 
(0, 0) , (5,0)
B. 
(6, -2)
C. 
(0, 0) , (10, 0)
D. 
(0, 0) , (5, 0) , (6, -2)
Solve the problem.A scientist performs an experiment to produce a compound by adding various amounts of a catalyst to a chemical reaction. Her data can be modeled by the formula A = 0.09c + 3.86, where A represents the amount of the compound, in grams, produced when c milligrams of the catalyst are added to the reaction. According to the formula, how much compound is produced when 
of catalyst are added?
A. 2703.86 g B. 1185.00 g C. 30.86 g D. 27.00 g
Find an equation for the line, in the indicated form, with the given properties. Containing the points (3, -2) and (-1, 7); general form
A. 5x - 8y = -51 B. 9x + 4y = 19 C. -9x + 4y = 19 D. -5x + 8y = -51
?Which of the following is not a method used that could be misleading when examining a line graph?
A. ?Truncating the graph (starting the y-axis at a number larger than 0). B. ?Using different numbering systems for either the x or the y axis. C. ?Using different increments (100's vs. 1000's) on the vertical axis between two different line graphs. D. ?Using different categories for the x and y axis (x = number of years, y = number of sales). E. ?None of the above.