What does 4r+6 represent in the expression

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

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