If each commercial lasts 1/2 minute how many commercials are there in a 4-hour program?

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?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

An angle that measures between 90 and 180° is called a(,