If (-4,-8) and (-10,-12) are the endpoints of a diameter of a circle, what is the equation of the circle?

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

How do you use the elimination method for this question? explain, because i really want to understand!

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.