36/11
Calculator solves everything
45 is the answer. It is the least common multiple of 5 and 9. Multiples of 5: 5, 10,15,20,25, 30, 35, 40, 45 and multiples of 9: 9, 18, 27, 36, 45
The answer would be .80 or it may be 1
The equation that matches the graph is the second one !
-4/3 I believe is your answer.