Answer:
15
The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30
The factors of 45 are: 1, 3, 5, 9, 15, 45
The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
Then the greatest common factor is 15.
16.5+13.6+12.4.17.7= 60.2
60.2÷4 =15.05
c
Step-by-step explanation:
When approaching 2 from the left, there is an open circle.
Also, the left part of the graph has a y-intercept of 2.
i think its C