Answer:
- Please see the attached picture for full solution!:)
------------------ HappY LearninG<3 -------------
What he said for every four there is four
Answer:

Step-by-step explanation:
Given

Required:
Simplify
We start by opening the bracket


Collect Like Terms

Hence, the equivalent expression is 
Answer:
o
Step-by-step explanation:
90
- 60
__________
30
- 30
________
00
Answer:
=6/7
Step-by-step explanation: