Y=x−4 -2x+y=18−2x+y=18 What is the solution to the systems of equations above?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Place the following steps in order to complete the square and solve the quadratic equation,

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.