Plzz
which of the following best describes the ordered pairs listed below?
(-2, 0), (0, -4), (6, -16), (8, -20)
both a relation and a function
neither a relation nor a function
relation only
function only

21 type the correct answer in each box. if necessary, round your answers to the nearest hundredth the vertices of abc are a(2,8), b(16, 2), and c(6,2). the perimeter of abc is units, and its area is square units