Which property of real numbers is illustrated by the equation (46 +32)+71=46+(32+71)?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.

What are the greatest common factor of 75 and 30