The correct answer is 2a^2
<span>1. take English and niether of the other two?
</span>36-6 that we know take all 3
This leave 30.
Subtract the 6 from those taking history and English. Leaves 10.
Subtract the 10 from those taking English.
This leaves 20.
Subtract the 6 from those taking political science and English. Leaves 8.
Subtract 8 from those taking English.
Leaves 12
<span>
2. take none of the three courses? </span>
<span>
3. take history, but niether of the other two
</span>Do the same with history as we did with English.
32-6 = 26 -10=16-10=6
<span>
4. take political science and history but not english
</span>16-6 (that take all 3) = 10
Hope at least the partial answer helps!
Answer:
7
Step-by-step explanation:
There will be a maximum number of Mondays that can occur in 45 consecutive days when we start with a Monday as the first day.
Now, multiples of 7 are 7, 14, 21, 28, 35, 42, 49, ......
So, if today is Monday, the after 7 days there will be a Monday, after 14 days there will be a Monday and in this way, the 43nd day there will be a Monday.
Therefore, there will be 
Mondays with in 45 consecutive days. (Answer)
