The domain of the following relation r {(3, −2), (1, 2), (−1, −4), (−1, 2)} is

{−1, 1, 3}
{−1, −1, 1, 3}
{−4, −2, 2, 2}
{−4, −2, 2}

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.