Please help Question is listed as a picture

When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form