Who’s thirteen and wants to be friends? LMA0 i have nothing to do with my life and i’m a girl btw

What is the simplified expression for 6(2(y+x))

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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.