Question

(vi) 20, 18, 16, ... ... rth​

Answer 1

Answer:

14'and 12

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Answer 2

Answer:

AP

Step-by-step explanation:

a=20 d= -2

formula=a+(n-1)d

20+(r-1)(-2)

20-2r+2

-2r+22

-2r= -22

r=11

hope this help u