Hurry i have to do this tomorrow show work

For problem number 2: 1,3,5,15

For Problem number 3: 1,2,3,4,5,6,10,12,15,20,30,60

For problem number 4: 1,3,6

For problem number 5: 1,2,3,4,6,12

For problem number 6: 1, 2, 3, 4, 6, 9, 12, 18, 36

For problem number 7: 3

For problem number 8: 4

For problem number 9: 4

For problem number 10: 3

For problem number 11: 5

For problem number 12: 3

Sorry but i didn't answer number 17 and 18

the answer is 175.4379

step-by-step explanation:

step-by-step explanation:

where is the questions