You have 128 ounces of milk and drink 16 ounces per day. what algebraic expression models the amount of milk you have? let x equal the amount of days

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.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Acircle has a circumference of 28.36 units what is the diameter of the circle