PLEASE HELP i have to turn this in in an hour PLEASE DONT GUESS

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

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting