Tiana and shania love to play video games. when they first became friends, tiana had 5 games and shania had 9 games. each year they each added 2 more games to their collections. is the relationship between the number of video games tiana has and the number shania has proportional? if so, what is the constant of proportionality? copy the table onto paper and fill it out to you find the answer. explain your reasoning.