the measure of an angle is four times the measure of its supplementary angle. what is the
measure of each angle

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.

Solve the system of equations y= 3/2 - 1, -x+ y =-3

How do you find the circumfrance of a circle?