please help on all of them i will add you and every question of mine i make i will give you brainliest and good points please help asap

Answer:
1b. 15 plus 16a
2a. 49w plus 28
2b. 36 plus 60n
3a. 50 plus 20w
3b. 77 plus 121a
4a. 55s plus 30
4b. 132 plus 121a
5a. 16 plus 14c
5b. 16q plus 2x ( i dont know about that one )
6a. 21 plus 35r
6b. 88d plus 11k
7a. 132p plus 108
7b. 30b plus 25
Step-by-step explanation:
that took forever