In a board game, Bobby Fischer gets x points for landing on a red space,
2x points for landing on a blue space, and 5x points for going all the way
around the board. He lands on 21 red spaces, 19 blue spaces, and goes
around the board twice. Give an expression that expresses the total
number of points Bobby scored.
Bobby scored
x points

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

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.