Check my answer. find the slope of the line whose equation is y - 5x = 9. my answer is m=5

What number produces an irrational number when multiplied by -1.25

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.

Sketch one cycle if the cosine function y=2cos2theta