COORDINATE GEOMETRY Construct a line perpendicular to l through P. Then find the distance from P to l.
17. Line l contains points (-3,0) and (3,0). Point P has coordinates (4,3).
18. Line l contains points (0, -2) and (1,3). Point P has coordinates (-4, 4).

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