Tell me what all of these are.Very confusing

Complete the synthetic division problem below. what is the quotient in polynomial form 2/16 -16

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample