The ratio of students to teachers competing in a charity race is 8:5. If 32 students take part in the race, how many teachers are there?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Your best friend told you that last week scientists disco y that las vegas is responsible for abrupt climate changes. which do you think is best way to research that recent discovery? an encyclopedia usgs internet site a book in the library your best friend’s parents for your ! ❤️

What is the gcf of 20c^3-5c^4+30c^6