How do i simplify this radical expression?

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?