71
62
88
38
89
76
-15 (i'm inversing everything to make it simple)
The mean is -69.28
1. the answer is D
2. You are correct it is vietnam
3. the answer is 1947
Answer:
Elimination
Step-by-step explanation:
You would not do substitution since it would not work so you do elimination since the 4y and -4y eliminate then you just solve for it.
Answer:
So calculate the negative answers and turn them into absolute value. Then put them in order.
Step-by-step explanation:
Answer:
The area of each section of the circle is 
Step-by-step explanation:
we know that
The area of a circle is equal to

we have

substitute

To find the area of each section divide the complete area of the circle by 
so
