Wonder if someone can help me with my math work please

What are the sotions to the quadratic equation 9x^2=4

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.

Write the point slope form of the equation of the line passing through the points (-5, 6) and (0.1).