I think it is skewed to the left. A
The appropriate choice is ...
.. <span>A. The initial amount in the account does not change because it is a factor that is independent of both the interest rate and t.
_____
In general, each of the variables in a formula is independent of the others. (Occasionally, you'll see a formula where that is not true, but then the "variable" will likely be indicated as a function of those things it is dependent upon.)</span>
Answer: 80 degrees because a line is 180°.
So if you subtract
180 - 100 = 80°
Increasing the length by

we have the new expression for the length as

Increasing the width by

, we have the new expression for the width as

Perimeter of a rectangle is given by adding all the sides, so we have

