Answer:
mean=sum of data/no of data
=12/3
=4
Step-by-step explanation:
therefore mean=4
The answer would be B because range is the highest number take away the lowest number
Answer: 144ft
Step-by-step explanation: Hope this help :D
Answer:
140
Step-by-step explanation:
20+4(s)=
20+4(30)=
20+ 120=
140