Answer:
Answer : The team Dolphins gained 5 yards over the 2 plays.
Step-by-step explanation:
Given information is -
The Dolphins football team gained 16 yards on their first play
And then lost 11 yards on the next play.
Means they had 2 plays.
When we have two conditions and have to apply addition expression, we put brackets around A and B as they are expressions, and not simply numbers.
Then the addition is supposed to apply to whatever A and B may contain.
So, the addition expression to represent this given situation is:

= 5
Answer : The team Dolphins gained 5 yards over the 2 plays.