I dont know which two chose

Which equation represents the partial sum of the geometric series?

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

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?