4 x 2/7 Pls solve it for me

For the equations below which statement is true ?

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

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths