Mason spend a total of $69.75 on 9 drinks and 1 bag of popcorn. Cooper spends a total of $68.25 on 3 drinks and 7 bags of popcorn. Writes system of equations that can be used to find the price of one drink and the price of one bag of popcorn.

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

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.

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?