Given a = {x | x < 1}, b = {x | x ≥ 5}, and c = {x | x = 5}, match the following items.

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?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee