Economists have long recognized that investment is a crucial source of productivity and economic growth. By providing workers with more capital and thus improving labour productivity, tangible investment expands output and raises living standards.
The volume of the rectangular pyramid is 28 cubic feet.
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How to find the volume of the pyramid?</h3>
The volume of a pyramid of base B and height H is given by:

Here we know that the height is H = 7ft, and the base is a rectangle of 4ft by 3ft, so the area of the base is:

Then the volume of the pyramid is:

If you want to learn more about volumes:
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Answer:
I Will try this:
1:
Expenses with utility companies
Lights:Georgia power:$100.00
water :Clayton country water authority :$42.00
Cable:Jonesboro apartments:$500.00
Internet: Cell phone:$50.00
1.
I will choose Georgia power because it provides electricity regularly and it is cheap.
monthly plan
monthly expenses =$(100+42+500+300+50)=$992
monthly cell phone expenses : $50
I believe it's 80! Hope this helps