Selena and Drake are evaluating the expression (rs^-2/r^2s^-3) when r=-1 and s=-2

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

With: label the vertices and all the elements needed. find 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.