Directions: Determine if the equations are parallel, perpendicular, or neither. 11. x+y= 8 and y=-x- 15 phowemoH 12. 9x-6y = -20 and -3y = 2x-11 ** Unsmusob spaq-5 6 ei ainT mol bisbrista ni noidsupa ross strW :anol 20=21+12 S 13. 2x= 14+ y and 4x + 2y = 10 14. y = 4 and y = 7

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