Answer:
You didn't even write a question.
They could have assembled total 336 different possible crews.
<em><u>Explanation</u></em>
Total number of trained pilots is 9 and geologists is 4.
The crew should be consisted of 2 pilots and 1 geologist. That means, <u>2 pilots are chosen from total 9 and 1 geologist is chosen from total 4</u>.
Number of ways for choosing 2 pilots from 9
and
Number of ways for choosing 1 geologist from 4 
So, the total possible number of different crews they could have assembled 
Answer:
18 licks per lollipop
Step-by-step explanation:
54 licks / 3 lollipops
2. 2 lollipops
3. 90 licks
Answer:
90
Step-by-step explanation:
supplementary angles equal 180 degrees and 90+90=180