Rachel tells Jonah that she can turn a square, but he won’t be able to tell that it was turned after she is finished turning it. Please help with this question

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

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?