2n+2(n-4)=56
2n+2n-8=56
4n-8=56
4n=64
n=16
1st side is 16
2nd side is 12
Ok so the first one is 225 miles but i can't do the graph
and i'm not great at math so give me a bit
Do u have a problem that went with this?
Answer:

Step-by-step explanation:
we know that
<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.
To calculate combinations, we will use the formula

where
n represents the total number of items
r represents the number of items being chosen at a time.
In this problem

substitute

simplify




Answer:
1) Angles 1 and 4, 2 and 3, 5 and 8, 6 and 7.
2) angles 3 and 6, 4 and 5.
3) angles 1 and 5, 2 and 6, 3 and 7, 4 and 8.
Step-by-step explanation: