Chris wrote a 5 digit number. one digit has the value of 3. one digit has a value of 4000. one has value that is 10 times the value of the digit in the ones place. one has a value that is 10 times the value of the digit in the tens place. one has the value that is 10 times the value of the thousands place. what number did chris write?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?