A sewing machine is at a 20% off sale. The original price was $340. How much does the sewing machine cost at a 20% off sale?

In what form is the following linear equation written y=9x+2

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.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?