Question

If a=-9, d=- 7 then t19 = ?
a. 117
b.135
c.-17
d.- 135​

Answer 1

Step-by-step explanation:

9+2=11

11+4=15

15+8=23

23+16=39

39+32=71

71+64=135

Hence 70 is wrong term and 71 should be in its place.

Answer 2

Answer:

option b.135

Step-by-step explanation:

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