Que propiedad justifica que 4+[6+(-2)]=[4+6]+(-2)

How to determine whether two known pairs of points are on the same line.

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

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