10. A 11. D 12. A (wasn’t too sure about question 12)
Answer:
Z is 66. If you want an explanation, I could give it to you, FYI.

<span>
base1= 158.802
</span>

<span>
base2=596.008
the distance travelled = 596.008 - 158.802
= 438 m</span>
12 because six people came to the party and you shake their hand