Which of the following statements are true? select all that apply.

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?