They are usually measured with milliliters; although, a half liter of milk is perfectly viable.
Answer:
32760
Step-by-step explanation:
This is a permutation of 15 objects taken 4 at a time. To calculate this, we use the formula:

In our case, n is 15 and r is 4:

Answer:
2
Step-by-step explanation:
Combine like terms for 30c +3d