How do I determine if the line is parallel, perpendicular, or neither? Line: 3x-4y=12
4x-3y=12

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?