Laura is designing a rectangular porch for her house on her side scale drawing the vertices of the rectangle are (2, 7), (8,7), and (2,9) what are the coordinates of the fourth vertex.

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. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.