The distance between -3.17 and 0 on a number line is 3.17 units?

Which of the following points is collinear with (-2,1) and (0,3)

What is the sum of these mixed numbers 4 2/3+ 3 1/9

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.