Point A is located at -0.85 and point B is located at 1/2 on a number line. Which expression shows how to find the distance between points A and B? |-0.85 - 0.50| |-0.85 + 0.50| |-0.85 - (-0.50)| |0.85 - 0.50|

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?

How is this equation completed? i cannot find any examples in the book.