the coordinates of the points I are (1,5) and the coordinates of point J are (7,5). what's the distance in units between the point I and point J

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

In a column proof the right column states your reasons