Answer:
The cost is $75
Step-by-step explanation:
Given

Required
Cost of 3 cubic yards -- Missing from the question
The required means that: 
Plug in
to 


<em>The cost is $75</em>
Answer:
1) Volume of prism is (V=Area of base×Height)
Volume " " "(V=22÷7×rsquare×h)
8

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