3.20 m/s is equal to​

Answer this question! 30 points and brainliest!

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

Find the solution(s) to x^2-14+49=0