Answer:
90
Step-by-step explanation:
1) Add your data together
In this case, it would be 630
2) however many numbers there are (NOT DIGITS) you divide your sum by.
In this case, 7.
Then there’s your mean!
we know that s = 3, so plug it in.
P = 6(3)
P = 18
perimeter = 18 km
−
364 z + 10