What type of lines are coplanar and do not intersect

Ineed with math stuff it involves graphs

Apopulation of 1500 insects grows exponentially, by a factor of 3 every week. select all equations that represent or approximate the population, p, as a function of time in days, t, since the time it was 1500.

Lena draws a square with an area that is greater than the area of rectangle b. what are two possible side lengths of lena's square? explain.