Determine whether the polynomial is a difference of squares and if it is, factor it. y^2 – 196

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.

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

Which expression is equivalent to -12(3x-3/4)