Set. A survey was carried among 160 schools in which 70 have a library, 50 have a computer lab, 20 have computer lab and science lab, 15 have library and science lab, 10 have all three labs. Represent the above information in a venn diagram. Also find,
1. How may schools have none of these facilities.
2. How many schools have only one lab?
3. How many schools have only two labs?
4. How many schools do not have a computer lab?

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

step-by-step explanation:

for the free

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation: