One person sends an email to 3 people. Those 3 people send it to 9 people, and those 9 send it to 27 people. Exponential or linear

Ivan began dividing g2  – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below. what is g2  – 6 divided by g + 1? g –  1 –  g + 1  – g  –  7 + g  –  5  + 

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50

Iknow the answer but the calculator doesn't seem to give the right one