What is the slope of a line that is perpendicular to the line represented by the equation y = -2/5x + 4/5

5/2

5

5/4

2/5

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

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.

If the discriminant if a quadratic equation is 4 which statement describes the roots?