I believe this is right:
Least: 8 (length) x 1 (width) = 8
Greatest: 5 (length) x 4 (width) = 20
Difference: 20 - 8 = 12

The ball reaches its maximum height after 3.5 seconds, and the maximum height is 61.025 meters.
Answer:
D
Step-by-step explanation:
The starting point is B and the ray extends towards A.
So the asnwer is D.
Answer:
2
Step-by-step explanation:
The reciprocal of a number n is 
Here n = 0.5, then reciprocal is
= 2