Write a polynomial equation in standard form with roots of -3 and 4

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Use the second shift theorem to find the inverse laplace transform of (e^−3s) / (s^2 + 2s − 3)