Multiple Choice Help! [Preliminary] (1 Viewer)

[AdmiralAlonzo]

Struggling to understand the reasoning behind these answers.. any help and explanations are appreciated!

Answers:
Q6. C [I was stuck between A and C]
Q7. A
Q14. C

 

[mmmmmmmmaaaaaaa]

14.
MPC = 125/200 = 0.625 which is C

 

[Robert21]

Unless I'm mistaken, the answer to question 7 is b?