Riley read on Monday .Tuesday ,and Wednesday ,She read 3\ 4, 2\8 and 5\10, of a book .If Riley read the most on Monday , which fraction represent the most on Monday ,which fraction represents how much she read ?

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Fill in the table with whole numbers to make 430 in five different ways

An amusement park manager determined that about 23 of all customers would wait in long lines to ride the new roller coaster. which simulation could not be used to answer questions about whether a customer would wait?