Question

Describe a real-world situation in which opposite quantities combine to make zero.

represent addition and subtraction on vertical and horizontal number line diagrams.





demonstrate how to add two numbers using absolute value and a number line diagram.\



interpret sums of rational numbers by describing real-world situations.

Answer 1

Answer:D)The veterinarian discovered a dog had lost 2 pounds since his last visit. A month later, the same dog had lost 2 more pounds.

Step-by-step explanation:the answer is d because you subtract

Answer 2

when you add 2 dollars to a bank account then subtract 2 from your bank account.