Who is really really fantastic at 8th grade math

Use set builder notation to represent the following set: { -3, -2, -1, 0}

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

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)