Please explain how to graph this and how you did it

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

Select the lengths in centimeters that would form a right triangle

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl