What are the other selections? I think it is right though, just making sure.
count the numbers next to the 5, 6 & 7 = 10. then there are 2 numbers next to 8 less than 2
so 10 +2 = 12 students
Answer:
y - 50
Step-by-step explanation:
Not sure if that's what you are looking for, but 50 less than a number is the number minus 50
ANSWER

EXPLANATION
The room represents a rectangular prism or a cuboid.
The dimensions of the room are 30 feet by 16 feet by 8 feet(height).
The volume of a rectangular prism is

Substitute the given values

Simplify:

Hence the cubic feet of air in the room is 3,840ft³.