I need sum1 wit big brains whats 5x5?

What is the simplified expression for 6(2(y+x))

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.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5