Solve the equation check for extraneous solutions. 9 (9-8x) = 2x +3

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 area of the triangle shown 3 by 6

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*