I attached a picture with equation because it is easier than attempting to type it out.
I cannot help you for you dont have a posted question.
If you post them on your account i might be able to answer them.
Step-by-step explanation:
When
z = 2
Then
5/z
= 5 / 2
= 2.5
Hope it will help :)
I think is 4.7 for SU, pls let me know if is right :).