Why do i have ads on and now a 30 min timer i have answerd so many questions and have a ambitious rank plus 510 points like what?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.