Please HELP! anything would help <3

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

What are two numbers that have a sum of 15

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.