Answer:
x=0
Step-by-step explanation:
I think that its B because its an entire class meaning there are boys and girls and the average will be more accurate than the other answers because those have either only boys or girls not both.
Perimeter = 2(10+20) = 60feet
60ft fencing material is needed
Hello there!
The number 10 is an even number.
Hope this helps and have a great day! :)