EG is 12.2 because the line down the middle is called a bisect which means that it splits the triangle right down the middle making each side equal. so if you do 6.1 x 2 or just add 6.1+6.1 which is the same thing lol, you will have your answer
The value of a would be 4.2, because the negatives cancel out each other.
Answer:
21
Step-by-step explanation:
the sum of the express of the summation of the notation
Maybe you meant solve for x?
If so, the answer is 4