What is the slope of the line through the pair of points. (0, 7) and (–10, –4)?

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

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Standard deviation of 19,29,21,22,23