Question

Common difference is 5 then find a14-a8

Answer 1

a14 -a8
= a+13d - (a+7d)
= a+13(5) - (a +7(5) )
=a+65 -a-35
=65-35
=30
 i hope this helps u

Answer 2

An=a+n-1×d
therefore,
a14=a+13×5. (since d=5)
=a+65
a8=a+7×5. (")
=a+35
so,by the question...
a14-(a8)=a+65-a-35
=30.