What is 23.75 as a mixed number in simplest form

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily