Is YOUR MOM a comeback?

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

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.

Me. i can't figure out this question. give an explanation too. .