1) Identity Property of addition
2) Commutative Property of Multiplication
3) Zero property of multiplication
4) Commutative property of addition
Hope this helps!
Last month, she had 100.....this month, 30 new members joined and 10 cancelled....thats basically the same as saying 20 new members joined...so there are now 120 members...at 10 per subscription = 120(10) = $ 1200 <=
Answer:
D
Step-by-step explanation:
7 is it because it is positive
Answer:
t+4, t≠8
Step-by-step explanation:

The value of t must not be one that makes the denominator zero, hence must not be 8.
B is the correct answer I think