Identify the equations of parabolas that have the directrix x=-4

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180