Determine which of the given choices is a solution of the equation.
2-5x=8+x
(a) 1
(b) - 1
(c) 0
(d) 2
(e) none of these
(b) - 1
Mathematics
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?Which of the following is not true? ?
A. ?All polygons with n-sides are closed. B. ?All closed figures are polygons. C. ?An n-sided polygon has n-vertices. D. ?An n-sided polygon has n-sides. E. ?All right triangles are n-sided polygons.
Mathematics
Determine whether the graph can be traced. 
A. Yes B. No
Mathematics
Identify the equation as a parabola, circle, ellipse, or hyperbola.4x2 = 16y2 + 64
A. Hyperbola B. Parabola C. Ellipse D. Circle
Mathematics
Solve the system of equations by the substitution method.
A. (7, 0) B. (0, 7) C. infinite number of solutions D. no solution
Mathematics