1. a super-deadly strain of bacteria is causing the zombie population to double every two days. currently, there are 25 zombies. after how many days will there be 25600 zombies?
2. use the function from the previous question. if the current population is 5,000,000,000 people, after how many days will there be no humans left?

Which expression gives you the distance between the points (5,1)and(9,-6)

Alocal hamburger shop sold a combined total of 601 hamburgers and cheeseburgers on friday. there were 51 more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday? a local hamburger shop sold a combined total of hamburgers and cheeseburgers on friday. there were more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday?

Mr. piper is driving peter, roddy, and scott home from school. all of them want to ride in the front seat. how can he make a fair decision about who rides in the front seat?