Does 1/6, -3, √7, -6/5, or 4.5 comes first when the numbers are listed from least to greatest

Let f (x) = x e8x. find a formula for the nth derivative of f, where n is any positive integer. use x and n in your answer if needed. f (n)(x) =

Can someone me out here number 4 plz

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.