Can someone give me a real life example of the law of quadratic reciprocity please! Please i need help it for my math project and it worth 10 points!!

How do you find the area of a 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.

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with