What is n to the power of 4 over n

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?