If the rectangle has a fixed width of 300, it means that

where
and
are width and length, respetively.
So given the length
, the are would be

Answer:
What grade of math is this?
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
Since you are trying to find <em>x</em>, you have to divide both sides by 4 to isolate <em>x</em> and get your answer.
Answer: the lines on the outside mean absolute value and the absolute value of -3 is 3
Step-by-step explanation: