4. which relation is a function? a.{(0; -9), (-9, -2), (0, -3)} b.{(0, -9), (-9,0), (-3, -3)} c.{(0, -9), (-2, -3), (-2, 0), (-3,-2)} d.{0,-9, -2, -3}

Asap (explain how you got it as well for brainliest)i tried 1: 2 and 2: 3 and they were wrong.picture of figure: in the figure below, the segment is parallel to one side of the triangle. the ratio of 12 to y is1: 21: 31: 42: 3

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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