Afootball field is being covered with new turf. the field company can lay the turf at a rate of 65 square yards per hour, approximately how many hours will it take for the field to be covered?

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

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.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n