What happens to the arrangement of water molecules as ice melts? a. molecules gain enough energy to escape as vapor. b. molecules release enough energy to escape as vapor. c. molecules release enough energy to move from their fixed positions. d. molecules gain enough energy to move from their fixed positions.

Can someone pls ! pls answer all. no explanation needed..

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps