Question

A1= 12
A15= 110
a30 = ?
d= ?​

Answer 1

Answer:

a30=215 d=7

Step-by-step explanation:

a=12

a+14d=110

12+14d=110

14d=110-12

14d=98

d=7

a30=a+29d

a30=12+29*7=12+203=215

Answer 2

Answer:

I DON'T KNOW THIS IS THE RIGHT ANSWER

THIS IS MY GUESS a30=220

d=24

THIS IS THE RIGHT PLEASE GIVE ME THANKS.

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