Answer:
mL
Step-by-step explanation:
Ml
Answer:
15 percent
Step-by-step explanation: You will substract the new value from the old value.
23-20
Now you will get the difference between them and divide that by the original amount.
3/20
This will equal 0.15 in which you now multiply by 100
15 percent
Answer:

Step-by-step explanation:

Recall that the change of base formula is 
The heck, what math are you in?
5. 4 rows of circles with 4 columns of circles
6. A Hexagon with 4 circles