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➷ O) Simply subtract them:

357 - 486 = -129

The new balance was $129

F) Subtract them:

4572 - (-609) = 5181

It was 5181 meters

R) Subtract them:

31 - 12 = 19

The difference is 19 meters.

N) Add them

-15 + 8 = -7

The temperature was -7 degrees

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ Hannah

Answer:  Simply subtract them:

357 - 486 = -129

The new balance was $129

F) Subtract them:

4572 - (-609) = 5181

It was 5181 meters

R) Subtract them:

31 - 12 = 19

The difference is 19 meters.

N) Add them

-15 + 8 = -7

The temperature was -7 degrees