Answer:
The given expression at a = 2 , b = 5 and c = 4 is 37.
Step-by-step explanation:
Given : expression
We have to evaluate the given expression at a = 2 , b = 5 and c = 4
Consider the given expression
Substitute, a = 2 , b= 5 and c = 4
We have,
Simplify, we have,
We get,
= 37
So, The given expression at a = 2 , b = 5 and c = 4 is 37.
26
DE+EF=DF
Subsitue thise x values for DE, and DF
12+x=38
=26
Answer will be less than 10