1, A cash register in a certain clothing store is the same distance from two dressing rooms in
the store. If the distance between the two dressing rooms is 16 feet, which of the
following could be the distance between the cash register and either dressing room?
I. 6 feet
II. 12 feet
III. 24 feet
A. I only
B. II only
C. III only
D. I and II
E. II and III
2,
How many 4-digit positive integers are there in which all 4 digits are even?
A. 625
B. 600
C. 500
D. 400
E. 256
3, Attached .