Jose set up computers. he has been working
on a job today for 6 hours. he told his boss the job was about 75% completed. approximately how many hours will jose
need to finish the job?

How to do this , and can some one explain

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Which of the following graphs could represent a cubic function?