Step-by-step explanation:

I can help but what is the (2)???
Answer:
C-7/8
R-8/9
P-61/66
L-11/18
I-3/4
A-7/12
O-47/55
H-29/40
S-28/33
T-4/5
M-11/12
E-71/84
U-13/42
N-19/20
I swear to god if I don’t get brainliest I’m going to lose it I haven’t done this math in like four years and it kinda took a while.... but I hope it helped u ☺️☺️☺️❤️❤️❤️❤️
Step-by-step explanation:
The volume is 378 ft³. Hope this helps! Good luck.
Answer:
29
Step-by-step explanation:
-9+21= 21
-12+4=-8
21-(-8)=29