Solve the system of equations by substitution.
A. x = -6, y = 6; (-6, 6)
B. x = 6, y = -6; (6, -6)
C. x = 7, y = -7; (7, -7)
D. x = -7, y = 7; (-7, 7)
Answer: C
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-98
A. > B. <
Provide an appropriate response."One point" represents:
A. 1 additional percent for every $10,000 borrowed. B. 1 percent of the amount borrowed. C. 1 payment per month. D. 1 percent per month additional charge.
Solve the problem.A restaurant offers a choice of 5 salads, 9 main courses, and 4 desserts. How many possible 
meals are there?
A. 360 possible meals B. 45 possible meals C. 180 possible meals D. 18 possible meals
Use a calculator to approximate the expression to three decimal places. If the expression is not a real number, state this.
A. 8.000 B. 2.828 C. 2.833 D. 2.825