2x=3y does this show direct variation?

The difference between tax advoidance and tax evasion

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?