The graph below shows the cost of pens based on the number of pens in a pack. What would be the cost of one pen? A.$1.50 B.$2.30 C.$6.00 D.$13.50 PLEASE HELP ASAP

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.