Solve: (1/2) X - (1/3) Y = Z
(1/3) X + (1/2) Y = Z + 3

Type in your answers for X and Y. NO DECIMALS.

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.