What is the 3rd term when 5 + 3x2 − 5x4 + 2x3 is arranged in descending order?

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

If you could answer these your a life saver

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.