There is an operation so that when you put in a 2 you get a 6 when you put in a 4 you get a 12 what do you get when you put in a 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.

Each side length of the hexagons is 1, what’s the area of abc

Aset of 4 consecutive integers adds up to 354. what is the value of the least integer?