..What is the sum.. please help me and dont guess on this is important (will give braniliest) Please help ;((.

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 percent of the circle below is shaded?

Is it greater than or less than7*3_9*2