Question

Pls help K12 online middle school​

Answer 1

b

Explanation:

because it equals -3

Answer 2

• 
  `\boxed{\sf B)\:-3}`

Explanation:

`\sf 15+\left(-18\right)`

`\sf Rule: a+\left(-b\right)=a-b`

`\sf 15-18`

Subtract numbers:

`\sf -3`

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Hope it helps!

Have a good day!