All the real number less than -3. It the first one hope this help
Answer:
A. 17x B. -18b2+11b
Step-by-step explanation:
10x + 7x = 17x
7-7=0
answer is 17x
-8b2-10b2= -18b2
8b+3b=11b
6-6=0
answer is -18b2+11b
The answer would be 34. The pattern looks like they are adding the sum to the next expression. So 21+5+8=34. Hope I could help!!:-)))
I'm not for sure but it could be 24/529 ???????????
If there are answer choices then put this one. Otherwise I really don't know
14. 6.4 blocks
15. 1.78
16. 7.47
