Which graph of ordered pairs shows a proportional relationship?

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.

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog