The tree is 7.5ft because it's shadow is half it's height.
Explanation:
The expression is given below as

Concept:
We will apply the bsolute rule below

By applying the concept, we will have

Hence,
The final answer is
The answer to your problem is a+6x+5.
Answer:
W=88
Step-by-step explanation:
4*(c-66)=c
4c-66*4=c
3c=66*4
c=22*4
c=88
w=88