Solve.How many different three-digit numbers can be written using digits from the set {4, 5, 6, 7, 8} without any repeating digits?
A. 120
B. 60
C. 10
D. 20
Answer: B
Mathematics
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A. 
B. 
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D. -3x10
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A. -20m5 B. 20m5 C. 20m D. -20m
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?
What will be an ideal response?
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Use substitution to determine whether the given ordered pair is a solution of the given equation.(-4, -2); 3x + 2y2 = -4
A. Yes B. No
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