Answer:
Does this answer your question −
16
n + 16
Answer:
D
Step-by-step explanation:
complementary means it equals 90
The answer is 21 because 189 divided by 9 is 21
Answer:
There are a total of possible 1820 results.
Step-by-step explanation:
Since there are two competitions, one for boys and one for girls, and we want all the possible results we will calculate the possible combinations for the boys and multiply them by the possible combinations for the girls. This is shown below:


Total number of possible results:

They collected 300 cans in all. I did this by multipying 63 by 100 (6300) then divided it by 21. I hope this helps!