please solve 5 through 9 and show work please

5) If . 60 of students at a community college are on Twitter, and .45 are on Instagram, while .20 are on both, what is the probability that a student has an account with Twitter or Instagram? 6) If .04 of graduates transfer to SIU after completing an Associate's Degree at a community college, while . 12 transfer to NIU after completing an associates, what is the probability a student will transfer to SIU or NIU? 7) If .40 of the students at MCC are currently enrolled in MCC 101, if you randomly select 4 students, what is the probability they are all enrolled in MCC101 at this time? 8) How many ways can you choose 2 of your 6 family members to take to a Bears game? 9) If a cheerleading squad has 12 cheerleaders and they must elect a captain and a social coordinator, how many different ways can they do so