The terrible sewer and water system that was infecting countless people by diseases like typhoid. <span />
<span>The key benefit of the government investing in innovation is a long-term financial commitment. Long-term debts are known as long-term loans it consists of loans and financial obligations lasting over one year, it demands exquisite care, concern, and planning before you undertake them. </span>
tan A should be the corner try work out work out:

first and then add all the others (B=90)
Explanation:
A and C should be the same