Will give need answer fast!

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Which is the focus of a parabola with equation y2=4x

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.