Plz answer all questions asked i need this to pass! show your work!​

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

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.

Ineed the solution to this problem and the steps.