PLS HELP! Choose the graph of y = (x - 3)^2 + 1

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

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.

Which of the following circles have their centers on the x-axis? check all that apply.