Provide an appropriate response.Solve the system of equations using the addition method:x - 2y = 84x + 2y = 12
A. x = -2, y = 4
B. x = 5, y = -1.5
C. x = 0, y = 4
D. x = 4, y = -2
Answer: D
Mathematics
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A. 
B. 
C. - 
D. 
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Write the slope-intercept form of the equation for the line passing through the given pair of points.(8, 0) and (5, -2)
A. y = - 
x - 
B. y = 
x - 
C. y = - 
x - 
D. y = 
x - 
Mathematics
Provide an appropriate response.Find the coordinates of all points (x, y) on the graph of the equation x2 - xy + y2 = 12 where the tangent is parallel to the 
A. (-2, -4), (2, 4) B. (-4, -2), (-2, 2), (2, -2), (4, 2) C. (-4, -2), (4, 2) D. (-2, -4), (-2, 2), (2, -2), (2, 4)
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Find the exact value using a double-angle identity.sin(480°)
A. 
B. -1
C. - 
D. 
Mathematics