Write the equation of the line in slope intercept form

Of four points are collinear, they are also coplanar

What is the length of the unknown leg in the right triangle ?

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.