Question

What are the various types of on site sewage disposal systems?
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Answer 1

Explanation:

Large communities of course have complex collection systems that deliver sanitary wastewater (or sewage) to large advanced treatment facilities. For on-site treatment there are fixed film beds that spray the wastewater over various types of media i.e. foam cubes, plastic media, wood chips, etc.

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Answer 2

Given 2x

2

−5x+7=0

The standard quadratic equation is ax

2

+bx+c=0

by comparing we get a=2,b=−5,c=−7

∴ a=2,b=−5