Please help!! The function below contains ordered pairs of the form (x, y)

F = (6,8), (-4,3), (5,1)

What is the domain of the function?

A) { -4, 1, 3, 5, 6, 8 }
B) { 1, 3, 9 }
C) { -4, 5, 5 }
D) { 5, 6 }​

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

When lulu enlarged her drawing of a rabbit, the enlarged picture appeared to be distorted. which statement about the transformation applied to her drawing is true?