Answer:
Equation: 
Step-by-step explanation:
By definition, the perimeter of a figure can be calculated by adding the lenghts of its sides.
Knowing this, you can write the following equation:
<em> [Equation 1]</em>
According to the data given in the exercise, the perimeter in feet of the fighter is:

Therefore, you can substitute this values into<em> [Equation 1]:</em>

Finally, you must solve for "x" in order to find its value. This is:

Answer:
I am pretty sure it is the second option
Step-by-step explanation:
Hope this helps
Answer:
x = 64
Step-by-step explanation:
looking at the other sides, you find that each side had just been doubled.
Answer:
There are 48 marbles in the bag
Step-by-step explanation:
red: blue : total
3 8
there are 18 red
18/3 = 6
Multiply everything by 6
3*6 8*6
18 48
There are 48 marbles in the bag
Answer:
Paula would choose the side with all of the mushrooms and half of the pepperoni. She wont choose any sausage because she doesn't like it, but luckily David likes sausage twice as much as mushroom so he's fine with getting all of the sausage and half of the pepperoni. They both equally like pepperoni so it makes sense for them to share.