X - height of the tree.
A proportion is:
1/2 : x = 1 : 36
x = 36 * 1/2
x = 18
Answer. the tree is 18 feet tall.
Answer:
(D) 
(E)
has a range of all real numbers.
Step-by-step explanation:
Given the function: 

When y=f(x)=0

Therefore, 
Also,
has a range of all real numbers.
Therefore, Options D and E are correct.
Answer:
Fraction: 23/100
Decimal: 0.23
Percent: 23%
Step-by-step explanation:
Hope this helps!