Two trinomials are multiplied together. if the degree of the first trinomial is 4, what must the degree of the second trinomial be in order to have a product whose degree is 8?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?