SOMEONE PLSSS HELP ME ON NUMBER 7& 8 PLS

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

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"