The answers is 9,18,27,36,45.what is the question?

Of four points are collinear, they are also coplanar

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?