Determine whether the measutes for the figure shown are proportional. a. the length of a side and the perimeter
b. the length of a side and the area​

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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.

Asphere has a diameter of 10 in. what is the volume of the sphere?