X^2-81 (answer using factoring polynomials) the ^2 is supposed to show that its to the second power btw, will give brainliest to whoever answers

Find the equation using the point (4,8)

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.

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.