Add 40 and 65 then subtract it from 180
The answers are 3<em>x</em> – 4 and 3(2<em>x </em><span>– 6), I just did this and got it correct so I am sure you well. :) </span>
An explicit formula for a sequence allows you to find the value of any term in the sequence. A recursive formula for a sequence allows you to find the value of the nth term in the sequence if you know the value of the (n-1)th term in the sequence.