Which expression is equivalent to 30(1/2x-2)+40(3/4y-4) A.45xy-220
B.15x-30y-220
C.15x+30-220
D.15x+30y-64

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.