Who wants Brainlist and Extra point plz help me

How much orange juice do you need to make 2 servings of lemony orange slush?

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

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.