At an amusement park, 360 visitors rode the roller coaster in 3 hours write and solve a proportion to find the number of visitors at this rate who will ride the roller coaster in 7 hours : -)

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

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.