Answer:
Part c) 
Part d)
or 
Step-by-step explanation:
Part c) Find the volume of the inverted rectangular pyramid
The volume of the rectangular pyramid is equal to

where
B is the area of the rectangular base
h is the height of pyramid
<em>Find the area of the base B</em>


substitute


Part d) Find the maximum volume of tea in the tea cup
we know that
The volume of cylinder (tea cup) is equal to

we have

substitute

-----> exact value
<em>Find the approximate value</em>
assume


Answer:
h( x ) = ( x + 1 )^2 - 4 x(h)×(÷×1)^2-4
#1. About 15.
5x3
#2. About 9
26/3=8 2/3
Step-by-step explanation:
Use the equation ?/45.20 = 35\100 and what you get is your answer
Hope this helps
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