4+15/3*4-2
4+5*4-2
4+20-2
24-2
22
1st 15/3=5
2nd 5*4=20
3rd 4+20=24
4th 24-2=22
so your answer is 22
3+9^2/9*4-5
3+18/9*4-5
3+2*4-5
3+8-5
11-5
6
1st 9 to the second power will be 9*2 so that is 18
2nd 18/2=9
3rd 2*4=8
4th 3+8=11
5th 11-5=6
so your answer is 6