Acoral reef has 187 groups of fish in each group there are 21 fish about how many fish live in the coral reef? and is it multiplication or division

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.