Pls help I’m failing asap

Can (2,3 and square root 10) be sides ona right triangle?

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

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.