The nth term of the quadratic sequence is 3n² - 10 work out the 5th term of this sequence . NEED HELP

I’m confused on how to work the pie charts

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. find the lateral area for the prism. l.a. = 0123456789

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?