11.5 because the formula is V=a³
25 a² + 20 ab + 4 b²
for formula

find u,v such that: u.v = a
and u+v = b then group according to

=

factor out 5a from :

factor out 2b from :

=

factor out :

=

Refine:

hope this helps!.
Answer:
Choice C
Step-by-step explanation:
A and B represent symmetric distributions, that is most data values lie in the middle and the both tails are equally longer.
C represents a positively skewed distribution, most of the data values lie to the left with a few points skewing the shape of the distribution to the right.