a cat chased after a dog 1 mile and then stoped rest. As soon as the cat rest stoped. the dog chased after the cat for 1500

How many degrees does the hour hand move from 3: 00 to 5: 30?

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.

Solve the system of equations. y=3x-1 and y=-2x+9. show work