Show clearly your use of units for the following calculations.

a. A large box-shaped arena has a rectangular floor that measures
200
200 feet by
150
150 feet and a flat ceiling that is
35
35 feet above the floor. Find the area of the floor and the volume of the arena.

b. A flat-bottom reflecting pool has length
30
30 yards, width
10
10 yards, and depth
0.3
0.3 yard. Find the surface area of the pool and the volume of water it holds.

c. A raised flower bed is
25
25 feet long,
8
8 feet wide, and
1.5
1.5 feet deep. Find the area of the bed and the volume of soil it holds.