Answer:
A
Step-by-step explanation:
A is correct because if the minimum is 29,000 feet, x (the airplane altitutude) must be greater than or equal to 29,000 ft. Since the maximum is 41,000 feet, x must be less than or equal to that number.
Answer:
9: 21 handshakes
a: 21, 34, 55
b: 0, 1, 1, 2, 3, 5, 8, 13
I think its C im not sure if im right though.