perform the following unit conversion.

296 0z= ___________ lb
18.5, 55.5, 37, 74
My Answer is 18.5

Perform the following conversion.
32kg= ______ lb
16,320,70.4,14.4
My Answer is 70.4

Some people feel that the ideal temperature for an office space is 72.0 F. What is the temperature in C?
25.1, 68.0, 32.2, 22.2
My Answer is 32.2

Are my answers correct?