1) –15 + 8 = a) -23 b) -7 2) –7 – (–12) = a) 5 b) -5 3) –6 × –5 = a) 30 b) -30 4) 45 ÷ –9 = a) -5 b) 5 5) The temperature was -4C at dawn. By 2PM it was 11°C. What was the change in temperature? a) 15°C b) 7

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