Зr — Зу = — 18
9x — 6y= — 48
Please help!

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.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Bring the fraction a/a-4 to a denominator of 16-a^2