Answer:
a. a(b)c
b. a(a(b)c)c
d. a(a(a(a)c)c)c
Step-by-step explanation:
We are given the following in the question:

a. a(b)c
It is given b belongs to W.

b. a(a(b)c)c

c. a(abc)c
a(abc)c does not belong to W because we cannot find x in W such that a(abc)c belongs to W.
d. a(a(a(a)c)c)c

e. a(aacc)c
a(aacc)c does not belong to W because we cannot find x in W such that a(aacc)c belongs to W.
Answer:
a^7/b^6
Step-by-step explanation:
Answer:
Step-by-step explanation:
1. h>13
2. n_> 12
Answer:
-1-3 = -4
Step-by-step explanation:
Answer:
4 2/3 - 1 2/3 and just keep doing that until you get to 0 it would take 3 days
Step-by-step explanation:
4 2/3 - 1 2/3=3
3- 1 2/3= 1 1/3
1 1/3- 1 2/3 = -1/3