Select all of the values of y that make the list of points a function.
{(6, 9), (4, , 12, y)]

a. 1

b. 2

c. 3

d. 4

Hassan bought a package of tofu. the temperature of the tofu was 14° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached –19° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.