Diameter: 20 inches
Use the image above to calculate the CIRCUMFERENCE of the circle. Write your answer below. Click the show
your work tab below to answer.

NEED HELP ASAP 15 POINTS

Aline that intersects one of two parallel lines intersects the other also always sometimes never

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.

If a line is defined by the equation y = 5x + 2, what is the slope?