Velma must make five bottles of lemonade for the kids playing outside. each bottle requires 3? 4 cup of sugar. how much sugar does she need?

Plz which expression is equivalent to the expression below?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Which value of y will make the inequality y< -1 false?