Answer:
radius 12 units = 452.16 units²
diameter 16.8 units = 221.5584 units²
radius 3.4 units = 36.2984 units²
diameter 10 units = 78.5 units²
Formula for area of circle: 
Answer is 5 hope i helped
Your answer is 15.875
-8+(-4)+(-2)+(-1)+(-1/2)+(-1/4)+(-1/8)
you half the previous vaule to find the next value
Answer:
1 e
2 c
3 d
4 a
5 b
Step-by-step explanation:
Hope this help
Y=5+4x
Because it is 5 dollars when you enter and then 4 dollars per round