If f(x) = 6x - 4, what is f(x) when x = 8? a 2

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Need solving this second acceleration problem.