Answer:
B
Step-by-step explanation:
Just did it.
Answer:
2a2 + 4a + 7
Step-by-step explanation:
As, - (2a3 - 3a2 + 4a + 6) + (2a3 + 5a2 + 7)
= 2a2 + 4a + 13
A because 12*4=48 and 32*4=128
20 liters I looked up the answer and did research on how to find it.