Sandra ran 7/12 of a mile lamar ran 3/4 a mile who ran farther explain pls

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9