Verified Answer :

The 2+3=45 confuses me but the answer is 126 for 9+4. the reason for this is because (99)+(94)=126.

2+3=45
2+3=59=45

8+4=96
8+4=12
8=96

7+2=63
7+2=97=63

6+5=11
6+5=11
6=66

9+4=117
9+4=13*9=117

hope helped