Determine the total number of roots of each polynomial function using the factored form. f(x) = (x + 1)(x - 3)(x - 4)

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax