Solve the system. x + y + z = -1 x - y + 4z = -233x + y + z = -5
A. (-4, 5, -2)
B. (-4, -2, 5)
C. (-2, 5, -4)
D. No solution
Answer: C
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Perform the indicated operation.Solve for x: 217x = 224(24x)4.
A. 24 B. 1 C. 6 D. 64
An electric company charges $8.00 per month plus 11 cents for each kilowatt hour (kwh) of electricity used. Find a linear function that gives the total cost of n kwh of electricity. ?
A. f (n) = 0.11n B. f (n) = 1.11n + 8.00 C. f (n) = n + 8.00 D. f (n) = 0.11n + 8.00 E. f (n) = 0.085n + 9.00
Graph the system of linear inequalities. Tell whether the graph is bounded or unbounded, and label the corner points.
A. bounded; corner points (0, 0), (0, 3), (3, 0)
B. bounded; corner points (3, 0), (0, 3), (6, 0)
C. unbounded; corner points (0, 3), (6, 0)
D. unbounded; corner points (0, 3), (3, 0)
Rationalize the denominator.
A. 
B. 
C. 
D. 