Ialready tried c=pi times diameter but it didn't work so can someone me .

Working on itts i’m going to need you to me as i go along 1-5

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

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.