Use Cramer's rule to solve the system. 2x - 2y = 2 2x + 2y = 30
A. {(-7, 8)}
B. {(7, 8)}
C. {(8, 7)}
D. {(-8, -7)}
Answer: C
Mathematics
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- x + 1, (100, 1)
A. y = - 
x + 51
B. y = 1
C. y = - 
x + 1
D. y = 
x - 51
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Provide an appropriate response.What are the most pleasing combinations of notes?
A. consonant tones B. fourths C. fifths D. first harmonics
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Decide if the statement is true or false.-23 > 6
A. True B. False
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Find all values of ? in [0°, 360°) that satisfy the equation.2 sin 2? - 
= 0
A. {30°, 150°, 210°, 330°} B. {30°, 60°, 210°, 240°} C. {60°, 120°, 240°, 300°} D. {60°, 150°, 240°, 300°}
Mathematics