Answer:
498.03
Step-by-step explanation:
Answer: first one is 15.01
Answer:5/23
D. 5
Mean: (50+60)/2
110/2
55
Margin of error:
60 - 55
5
(x-2)-1=2
(x-2)-1 +1=2+1
(x-2)=3
x=3+2
x= 5