7. what does the development of hook-and-loop tape illustrate?
a the role of the microscopic world in creating new materials
b the use of common sense to create new products
c the role of luck in bringing new products to market

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