Part A What is the volume of the gift shown?
Enter your answer in the box.
Box with height as 14 in. and the area of the base is given as 80 square in.

in3

Part B
Which equation was used to find the volume in Part A?
A. V=l×w×h
B. V=b×b×h
C. V=b×h
D. V=l×w

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.