Answer:
c
Step-by-step explanation:
Answer:
The equation is set up wrong
Step-by-step explanation:

21 = 4.8
8 x 2.1 = 16.8 - 12 = 4.8
Answer:
answer is a. 15(3+1)
Step-by-step explanation:
um this makes sense lmk if I'm wrong
I got none of the above my answer is 1.6 BTUs/ft3. I did 400 x 8 x 3 for total BTUs = 9600 btus and the volume of the room was 20 x 30 x10 ft = 6000 cu ft so 9600/6000= 1.6 BTUs/ft3