Question

at least for an single question plz answer ​

Answer 1

Explanation:

1.Yes , the ratio between them all is 2

meaning you have to multiple by two to get the next number. Therefore, yes, they are in proportion

Answer 2

Answer:

1)Yes because

9×2=18

18×2=36

36×2=72

72×2=144

2)80:4

40:2

20:1

7:35

1:5

Therefore No

3) Speed=Distance×Time