Your answer is y ≥ −10 + 5x/2
I can’t see it sorry maybe it’s my device
For this case we have by definition, that the volume of a cone is given by:

Where:
A: It is the cone radius
h: It's the height
They tell us that the diameter is 21 m, then the radius is half the diameter, that is: 10.5m. The height is 4m. Substituting the data:
.
Finally, the volume of the cube is
ANswer:
Option B
Well you gotta ask the chair politely, "how old are you chair?"