Question

check if there are in proportion.
a. 1, 3, 6, 9
b .1, 5, 9, 10
and question see In picture ​

Answer 1

Step-by-step explanation:

a: yes

b: no

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Answer 2

Answer:

a. No(here between 1 & 3 difference is 2 but other are 3)

b. yes ( difference is 4)