Find cot theta if csc theta= the square root of 5/2 and tan theta> 0

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Which point has an coordinates of (2,0) ? a