If you can show the steps I'm lost with how to solve c and e

A club consists of five men and seven women. Three members are selected at random to attend (a) Find the number of ways groups can be selected to go to the conference? (b) Find the number of ways the selected group consists of three men. (c) Find the number of ways the selected group consists of one man and two women. (d) What is the probability a group of three men go to the conference? (e) What is the probability a group of one mand and two women go to the conference