Add.864 + 654
A. 1420
B. 1518
C. 1320
D. 1418
Answer: B
Mathematics
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Transform the equation to a form without an xy-term by a rotation of axes. Graph the curve.17x2 - 12xy + 8y2 - 68x + 24y -12 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality.x2 + 4x ? -3
A. [-3, -1] B. (-?, -3] C. [-1, ?) D. (-?, -3] or [-1, ?)
Mathematics
Solve the system of equations using elimination.
A. x = 3, y = 0; x = 3, y = 3 B. x = 3, y = 3; x = -3, y = 3 C. x = 3, y = 0; x = -3, y = 0 D. x = -3, y = 0; x = -3, y = 3
Mathematics
Find the determinant of 
A) 14 B) 7 C) 12 D) –8 E) 6
Mathematics