150,165,180,198,204,216,230,255
Quartile 1: (165+180)÷2
=345÷2
=172.5
Quartile 3: (216+230)÷2
=446÷2
=223
Quartile range:223-172.5=50.5 or D. Hope it help!
I believe the answer would be A. C=200x+ 70. Hope this helps!
Answer:
49Pi
Step-by-step explanation:
Area of a circle is = to pi(r)^2