Can anyone help me please

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?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.