.. Sal bought some postcards. If he sends the same number to each of 6 friends, he will have none
left over. If he sends the same number to each
of 7 friends, he will have 3 left over. How many
postcards did Sal buy?

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?