Could someone please help answer this thanks so much, please no spam, will give brainliest (homework help) thank you!

What is the slope of a line that is perpendicular to y = 3x + 1

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.

What is coefficient of the term of degree of degree 5 in the polynomial below