Does anyone know this?

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.

What is always true about a positive integer raised to a negative odd power?

Which of the following vectors are orthogonal to (2,1)? check all that apply