Which of the following numbers is irrational? negative 9 over 5, square root of 5, 7 over 3, square root of 9 pls answer asap

What is the best reason for jacinta to have a savings account in addition to a checking account

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?