Answer:

Step-by-step explanation:

9. Commutative Law, 11. Multiplicative Identity Property, 13. Distributive Law, 15. Inverse Property of Addition, 17. Commutative Law, 19. Distributive property (?)
Good luck, hope this helps!!
Answer:
31%
Step-by-step explanation:
100- 75 = 25
25/81 = 0.308 = 31%
Answer:
A. y= -2x-3
Step-by-step explanation:
multiply the parenthasis by -2 to get -2x-8 then add 5 to both sides with equals y= -2x-3
Answer: Simplified = 4n^2
Step-by-step explanation: the 8n and -8n cancel each other out.