ZB is 3x-5 BA is x+3
1 answer:
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Since the square has 4 sides, you only have to add 
four times.
The <span>perimeter of the square is: </span><span>
cm </span>
The <span>perimeter of the square is: </span><span>
As I understand, we need to evaluate the given rational expression, we will get that the evaluated expression is equal to - 1/10
<h3>Evaluating expressions:</h3>
Evaluating an expression just means that we need to replace the variable in the expression for a given value, here we have the expression:
And we want to evaluate it in:
So we just need to replace k by that value in the above expression, we will get:
Now we can just solve this:
If you want to learn more about evaluating expressions, you can read: