Metal mercury at room temperature is a liquid. its melting point is -39 celsius. the freezing point of alcohol is -114 celsius. how much warmer is the melting point of mercury than the freezing point of alcohol.

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90