Im guessing 3 i really dont know.. i dont understand what it means by 4 channels.
Answer:
First Two: 2 million,
Second Two: 2 hundred thousand
You just times it. (if you have a more question pm me). thank you
Answer:
625 ft^2
Step-by-step explanation:
Given
--- perimeter
Required
The largest area
The perimeter is calculated as:

So, we have:

Divide both sides by 2

Make L the subject

The area is calculated as:

Substitute 

Open bracket

Differentiate with respect to W

Set to 0; to get the maximum value of W

Collect like terms

Divide by -2

So, the maximum area is:




<span>False. Perimeter is a linear measure. Square units are for area.</span>