Simplify 3√128-2√6 x 4√3. show all your work

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.

Tell whether the two rates form a proportion

In the diagram below,abc is congruent to dec what is the value of x