Answer:
Option B
Step-by-step explanation:
Here we have to apply " combination and permutation. " It is given that the drama club had to choose three booths from a selection of 9, considering the possible ways to choose so. This is a perfect example of combination. In nCr, n corresponds to 9, respectively r corresponds to 3.

Hope that helps!
Answer:
It does not show variation
Step-by-step explanation:
Given

Required
Determine if there's direct variation between x and y
The general form of direct variation is:

Make y the subject of formula in the given parameters;


Compare
to 
<em>Since they are not of the same form, then the given equation do not show direct variation</em>
Perimeter= X + Y + W. Perimeter is the sum of all sides
Answer: B) this is a perfect cube. D )the side length is 4. E)taking the cube root of the volume will determine the side length.
Step-by-step explanaion: just guessed and it told me it was right on edunuity 2020.
HOPE I HELPED PLZ GIVE BRAINLIEST:)