Add up all the sides!
and did you mean 2m or 2cm?
if you meant 2m...
2m = 200cm
so 200cm + 10cm + 45cm = answer
of if you meant 2cm
then 2cm + 10cm + 45cm = answer
C how many students attend natashas school
A interesection B means similarities between the two sets.
The possible values you can get in B are:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
A:
3, 5, 7, 9, 11
Therefore A intersection B = {3, 5, 7, 9, 11}
The answer is 1 since both expressions are equal.