Answer:
where is the question?
Step-by-step explanation:
Answer:
10n+10
Step-by-step explanation:
7n-7n+5n2+10
5n2+10
5n*2+10
10n+10
Hope this helps :D
#Team Rainbows
Answer:
1 inch
Step-by-step explanation:
The perimeter is the sum of the lengths of the sides:
Perimeter = 3/23 + 9/23 + 11/23 = (3 + 9 + 11)/23 = 23/23 = 1