How can i get better at angles? it is very hard for me.

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

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?

Triangle knm is what is true about the sides of knm