1. If A={1,2,3,4,5} and B = {1,3,4,5}. Find B when B is a subset

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

How many lines can be drawn through points j and k? 0 1 2 3