Answer:
number 4. 13
because first you do the exponents giving you 8 and then divide which is 2 then you subtract which is 13
5. 55~11+7x(2+14)
55~11+7x16
11+7x16
18x16
288
4.15-8~4
15-2
13
6.100-12~3
100-4
46
7.8x(16-3)+8
8x13+8
104+8
112
