Choose the fraction that is greater than 3/18, is less than 50/100, and has 9 as it denominator ​

Trigonometry hellllllpppppppp asap

Which of the following is true for the relation f(x)=2x^2+1

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.