2. in how many ways can a committee of 3 be chosen from an organization with 12

2. in how many ways can a committee of 3 be chosen from an organization with 12 members.b)how many ways can a president vice president and treasurer be chosen from the same organization.3.how many 4-digit numbers can be formed from the set A=0123456 if there is no repetition. NOTE:0123 IS NOT A 4 -DIGIT NUMBER BECAUSE IT EQUALS 123.b)how many of the numbers in part a) are oddc)how many of the numbers in part acontain a 3d)how many of the numbers in part a) are divisible by 5.4.A company has 900 employees 615 are female 345 are union membersand 482 are single.295 are sindle females187 are sngle union members190 are female union member and 120 are single female union members. how many workers arefemale or single or union members.