Convert to rectangular coordinates.(-8, 180°)
A. (-8, 0)
B. (0, 8)
C. (0, -8)
D. (8, 0)
Answer: D
Mathematics
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Use the functions given by f(x) = x + 6 and g(x) = 7x - 3 to find g-1º f-1. ?
A. 
B. 
C. 
D. 
E. 
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Use a graphing calculator to solve the system of equations.
A. (1, 5) B. (2, 4), (1, 5) C. (2, 4) D. No solution
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Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 18(x + 3) = 2(9x - 1) + 56
A. ? B. {x|x is a real number} C. {0} D. {54}
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Match the given equation with one of the graphs.4x2 + 25y2 = 100
A. 
B. 
C. 
D. 
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