I need help with this math problem

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

Which is the scale factor proportion for the enlargement shown?

What's the elapsed time between 2: 16 am and 8: 10 pm