Answer:
12.57
Step-by-step explanation:
The value of
is 31
Explanation:
The given expression is 
We need to determine the value of 
The value of
can be determined by substituting
in the expression 
Thus, we have,

Adding the terms, we have,

Thus, the value is 31.
Therefore, the simplified value of the expression by substituting
in the expression
is 31.
I think Deal B correct me if im wrong..
Answer:
145
Step-by-step explanation: