Is the question number 2 you need help
Answer:
Step-by-step explanation:
diameter=7.3cm
radius=
=
=3.65cm
angle =120°
area=
× 
=
×
×
=
≅
B because it’s a random sample and it’s not biased
Answer: 1,6,11,16,21,26
Step-by-step explanation:
The common difference is 5 (n+5)