Help I am not that good with math so if anyone can help that would be great. Thank you

I’m which figure is point g an orthocenter

Can someone me and do the problem plz so i can understand it more better

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.