Answer:
12
Step-by-step explanation:
21=31
31=7+2-3+0=12
This is correct because linear equations mean add subtract divide and multiply instead of finding roots and squares
2475 different teams can be formed.
Combination is the way in which items can be selected from a collection. If we have n total objects and r objects want to be selected, the number of combinations is:

Since we need to nominate 2 men from a company of 10 males, the number of ways this can be done = 
Also, we need to nominate 2 women from a company of 11 females, the number of ways this can be done = 
Therefore the total number of different teams that can be formed = 45 ways * 55 ways = 2475 ways
Find more at: brainly.com/question/8018593
Answer:
F
Step-by-step explanation:
Simplified that would be: 9(63+12+9) which if you add everything in the brackets, 9(84) which would be 9 times 84=756