The number of nails (n) in Samantha's tool belt is represented by the equation 3m + n = 64, where m is the number of minutes since she started working. Which statement correctly interprets the rate of change in the amount of nails in her tool belt?

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.