2+3a+9a what do I do for this answer

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.

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Which of the functions graphed below has a removable discontinuity?