Find the Vertex of the Parabola. y=3x^2-6x+7

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.

2/3(-6y+9x) expand each expression using the distributive property

3/4 = c/36 i need with this fraction proble.