Answer:
Step-by-step explanation:
Given:
Radius of spherical tank, 
Volume of a quarter of a sphere is given as:
Plug in 70 ft for 
, 
for 
and solve for the volume, 
. This gives,
Therefore, the volume of the quarter sphere shaped tank is
If your asking what the price of something is, that was originally 29.99, and has been marked down by 33.33%, the easy way to do this is to take 30 and multiply it by 1/3, resulting in 20. The proper way is to take your calculator and multiply 29.99 by 0.333, resulting in roughly 9.98, meaning the price you pay is 20.00. Either way, your still going to pay $20 for the item.
The answer you are looking for is -5x^5-5x^4+6x^3-x^2-7x+20
-I hope this is the answer you are looking for, please feel free to post your future questions on Brainly.com.
