The X values ( first number inside each set of parenthesis would be in the first group. The Y values ( second number in each set of parenthesis) would be in the second group.
The answer is the middle one.
Answer:

Step-by-step explanation:

I’m unsure of what u r asking, I think 6 is ur answer
Wouldn't it just be the same as angle B?
First, find the volume of the full tank
V= 16*8.5*10.5
V=1428 cubic inches
Then, just find 3/4 of the volume
V2= 1428 * (3/4)
V2= 1071 cubic inches