3. Find the orthocentre of the triangle whose angular points are (0,0), (2, - 1), (- 1,3). [Note. Orthocentre is the point of intersection of the altitudes]

the correct answer is c.

answer; sellers provide full and accurate information about loan terms;

answer; protecting domestic national security; i believe this is correct,plz check first,good luck;

answer8.3 months;