What is the simply interest. principal $ 300, rate 6.8 % time half a year 6 months

Pls , the question is in the picture!

The graph of g(x) is a translation of y = which equation represents g(x)?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.