7, to find the mean add up all the numbers and then subtract by the amount of Humber a you added.
For example, 1,3,8,10 added together is 22. We added four numbers together, so divide by 4. The mean of 1,3,8,10 is 5.5
It depends on what kind of pencil it is.
Answer:
x=48
Step-by-step explanation:
(x+34)+(2x+2)=180
Yes 144 is a perfect square because 12*12=144
