Which number is a zero of h(x) = (x2 − 81)(x + 4)

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)