using 2, 3, 4 and 5 get 18
Can't use powers!
32 + 4 + 5 =
9 + 9 =
18
Another possibility
42 + (5 - 3)
16 + 2
[There are probably others, I'm sure !!!! ]
2 * 5 = 10 - 4 = 6 * 3 = 18