Two numbers have a sum of 30. Half of their difference is 7. Find the numbers. Explain your answer.

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

Convert 2000 swiss francs to dutch guilders

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.