Answer:

Step-by-step explanation:
Let
represent the length of the rectangle. The width can be represented as
.
The perimeter of a rectangle with lengths
and
is given by
.
Thus, we have:

The width is then
.
4/81 (?)
not sure if that is 100% correct
Answer: C
Step-by-step explanation:
the normal distribution is symmetric about its mean.
so answer c) must be true.
The rule is 3x
so to find the next number you multiple the most recent one by 3
the next three are:
32.4, 97.2, 291.6