giving all my 11 points




Answer:
(Did the second and third picture)
16. 9
17. 132
18. 56
19. 110
20. -36
21. -22
22. 9x+9x (18x)
23. 4a+2a (6a)
24. qx-q7
25. -25
1. 9+6=6+9; 15=15; true
2. 21÷7=7÷21; 3=0.3 repeating; false
3. 10-4=4-10; 6=-6; false
4. (5+3)+8=5+(3+8); 16=16; true
5. (9-4)-2=9-(4-2); 3=7; false
6. 4+5x
7. 6×9
8. 2x+3y
9. 40×15
10. bc+a
Step-by-step explanation:
No Step-by-step explanation today unless if you ask for certain problems to be explained.
Answer:
16. 917. 13218. 5619. 11020. -3621. -2222. 9x+9x (18x)23. 4a+2a (6a)24. qx-q725. -251. 9+6=6+9; 15=15; true2. 21÷7=7÷21; 3=0.3 repeating; false3. 10-4=4-10; 6=-6; false4. (5+3)+8=5+(3+8); 16=16; true5. (9-4)-2=9-(4-2); 3=7; false6. 4+5x7. 6×98. 2x+3y9. 40×1510. bc+a