Answer:
c
Explanation:
a, b, and d are examples of moving forward
while c is moving backwards.
Answer:
Resistance is inversely proportional to current, so when the resistance doubles, the current is cut in half. Resistance is directly proportional to current, so when the resistance doubles, the current is cut in half.
Answer: The distance between the man and the plane increasing at a rate of 400ft/s
Explanation: Please see the attachments below