An author has 18 pages to send to a publisher. the author has only small envelopes and can't fit all the pages into a single envelope. it ends up taking 6 envelopes to hold all the pages. if each envelope has the same number of pages in it, how many pages are there in each envelope? a) 2 pages b) 3 pages c) 4 pages d) 5 pages

Steve is scuba diving near his home in maui. at one point he is 100 feet below the surface. represent this number with a negative number. if he descends another 5 feet, what negative number will represents his.

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school