Answer:
The height of the tree is 3m
Answer:

Step-by-step explanation:

Add 18 to both sides:


Subtract 9h from both sides:


Multiply both sides by -1 and flip the symbol:


Divide both sides by 2:


Answer:
587
Step-by-step explanation:
Answer:
length= 24cm
Step-by-step explanation:
interpreting the question
L=3w
perimeter=2(l+w)
64=2(3w+w)
64=2(4w)
64=8w, Divide both sides by 8
w= 8cm
since w= 8
L=3w
L=3×8
L=24cm