I need help I don't understand how you are supposed to do this

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

How many grams are in 68.2 molecules of br2?