Can you please help me with this problem .

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.

What is the distance between point a and b

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2