Answer:
3432
Step-by-step explanation:
Total bands = 14
Bands played = 7
The possible lineups can be calculated using Combination.
So, the possible lineups are 14C7
=> 
=> 3432
Answer:
<h2>
1240.4 mm²</h2>
Step-by-step explanation:

Answer:
Draw a figure!
There are 6 surfaces to add.
4 of them have area 9*5 and 2 have area 5*4.
You should be able now to compute the surface areas.
Step-by-step explanation:
There would be 56 becasue you calculate the square root of 196 which is 14 and multiply by 4