Can someone tell me the answer plz I’ll give you brainlist and points no wrong answers

Which of the following is the rational exponent expression of 6 root f

Ined this is due tomorrow and i dont know the answer can you find all the exponents

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