This brisket's total weight is 15lbs. If the average person eats 12oz, how many people can this feed?

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.

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Could someone me with this question i’ve been stuck on it for 20 minutes