It may be can be number 1 (a)
Answer:
138 apples
Step-by-step explanation:
7x12=84
9x6=54
84+54=138
G(x)= -9(0)-15
G(x)= -15
The answer is -15
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