Line r passes through points (5, 3) and (9, 8). Line s is perpendicular to r. What is the slope of line s?

Rename mixed numbers before you can subtract are what

Arrange these numbers from least to greatest 3/5 5/7 2/9

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7