Your answer is 4
You have to use the distribute property and distribute the - to the -7 and the 3
The -7 will become and the 3 will become -3
Then you add those together and when you add a negative to a positive you basically subtract
So 7+-3 is 4
A is your answer
Answer:
wait so what is the numbers of distance they have swam?
Step-by-step explanation:
(1600,3600) you multiply the 4X400 and 9X400
