Answer:
If you simplify it you get d^2-4d
Step-by-step explanation:
This is pretty much 75% of 55.5 which is 41.625. Rounding that up would make $41.63.
Answer: 
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
- By definition, the perimeter of the figure is the sum of the lenght of each side. Then, you must make the addition as following:

Where
is the perimeter of the figure.
- Add the like terms, then, you obtain the following expression in simplest form:
