Solve for x pls help me

The system of equations graphed below has how many solutions? y = 2x + 2

What situation is an example of an observational study

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.