is aline drawn starting from zero 28. A/An 29. A/An of a number is the distance on the 30. The absolute value of zero is ANALYS NALYSIS. Explain briefly the following questions 31. What is a well-defined set? Give one example. Prepared by: IAN KARLO C. SILAGAN LYN KARREN A. BAGUIO SST-1 SST-1​