Need help with question 2 d, e and f pls

What number produces an irrational number when multiplied by -1.25

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached