5+2n squared 3 when n=3

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?