On a number line what is the distance between -3/7 and -2/3 ? 23/21

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?

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?