Step-by-step explanation:
Radius (R) =diameter /2 =8/2 =4
So area=
Hope this helps..
Answer:
Mean: 30 students
Standard deviation: 5.2 students
Khan
Step-by-step explanation: 3/2=1.5 (-6/5)=(-1.2) 1.5+(-1.2)=0.3
Answer=0.3
5
I just know already
gfsv