Solve by the substitution method.0.5x - 0.1y = -0.70.1x - 0.1y = -0.3
A. ?
B. {(-1, 2)}
C. {(2.3, 6.5)}
D. {(-1.6, 4.3)}
Answer: B
Mathematics
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Provide an appropriate response.Is f continuous at x = 4? 
A. Yes B. No
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.-20 ? -3x - 5 < -11
A. [2, 5)
B. [-5, -2)
C. (2, 5]
D. (-5, -2]
Mathematics
Match the correct function to the graph.
A. y = -2x2 - 1 B. y = -2x2 + 1 C. y = 1 - x2 D. y = -2x2
Mathematics
Divide.
÷ 
A. 
B. 
C. 
D. 
Mathematics