Answer:
The symbol ⊥ means is perpendicular to
Step-by-step explanation:
(brainliest)
The answer is
≥ 
First, you must flip the equation
≥ 
Then, you must subtract 29 on both sides
≥ 
Finally, divide both sides by 12
≥ 
Answer:

Step-by-step explanation:
Given:
The perimeter of a rectangle is given as,

We are asked to express this in terms of
.
Add -2l both sides and simplify. This gives,

Now, we divide both sides by 2 to get an expression in terms of
. This gives,
