Answer:
A. 15 c squared Start Root 3 End Root
Step-by-step explanation:

Multiply the terms inside the square roots together

Look for items that are perfects squares

We can separate terms inside the square root into separate square roots


Combine like terms

16 track and events and 6 events. Since if it is 8:3 that means the total is 11, and 22 is double 11. The ration would double in size. Making 8:3 to 16:6. If you add 16 and 6, you would get 22 in all.
6 1/4 - 5 1/2=
6 1/4 - 5 2/4= 3/4
The answer is 3/4.