Answer:
Step-by-step explanation:

8z = 64
divide both sides with 8
8z ÷8 = 64÷8
therefore,
z = 8.
Since 5 3/5 can be turned into 28/5, then divided by 7/1, you will get 4/5. So Jeremy swims 4/5 of a kilometer each day.
Answer:
M=v^2r / 2G
Step-by-step explanation:
Open the file, it is solved for you, your welcome.
1. 24
2. 56
3. 15
4. 60
Hopefully this helps!