Help me please thank you will give the highest points I can give is 16

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

What is x3+3x2−16x−48 divided by x−1?

Which shows the graph of the solution set of 3y – 2x > –18?