2x+3+5x+10
2x+5x+3+10
7x+13
=7x+13
Well 361 is 19^2 so the square root of 361 is 19 and is not irrational.
Therefore, the square root of 254 is irrational.
3/5 divided by -4/9
3/5 times the reciprical -9/4
-27/20=-1 7/20
I think this is it but not sure sorry
Hope this helps! Have a great day