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:

Step-by-step explanation:
hope you get idea of graphing the four lines
Answer:
v = 729 in³
Step-by-step explanation:
v = 9 * 9 * 9
v = 729 in³
To get frm a decimal to percentage you have to mutiply it by 100.
2.54 multiply by 100 = 254
the answer is 254%