we are given
martians =4
plutonians =3
jupiterians=5
so, total number of seats =4+3+5=12
number of seating arrangement for martians is 4!
number of seating arrangement for plutonians is 3!
number of seating arrangement for jupiterians is 5!
total number of seating arrangement is 12!
so, we get
possible seating arrangements are

.............Answer
Sir, there should be a polygon displayed, we can’t just get the answer out of the blue.
Answer:
The degree of is 4.
.................................
<h2>
Answer: C 375 cm²</h2>
Step by step explanation: The last answer i wrote was wrong, so i retook the quiz and got 100% and this was right.