Pls help! question is above

Me find the measure to side c and the process to solve the problem you appreciate it : )

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)