In which situation do the quantities combine to make 0? A. Dylan borrows $10 from a friend on Friday. He pays his friend back $10 on Saturday

B. A hot air balloon rises 30 feet. Then it travels 30 feet due east.

C. Michael earns $80 mowing lawns. Then he spends a total of $40 for tickets to a ballgame for himself and a friend.

D. Gianna fills a water bottle with 32 fluid ounces of water. Then she drinks half of the 32 fluid ounces of water in the bottle

The answer is A

Step-by-step explanation:

If dylan borrows $10 from his friend, then pays it back, he is going to be left back at the quantity 0

The other ones dont match the quantity 0

A. Dylan borrows $10 from a friend on Friday. He pays his friend back $10 on Saturday is the correct answer

Step-by-step explanation:

Because, if Dyan will borrow $10 from friend and pays back. So for answer we just need subtract $10 from $10. That is equal to 0

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute: