Whats the perimeter of a square with a side measurement of 6 in?

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.

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Lynn says that the product of 4/5 and 5/2 is greater than 4/5.which statement is true?