I need help with 3, 6, and 9. Please
Explain what to do and you will be marked as brainliest!!

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) =

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left