Answer:
9
Step-by-step explanation:
21^2-19^2=80
sqaure root of 80 to the nearest 10th is
Answer:
I'm sorry but this is very wordy and hard for people to understand.
please reconsider fixing it and submitting it again for assistance.
Let x represent the percent of increase in the tree's height and let n represent the number of years.
x= n (36/4343)
Hope this helps!