ANSWER THE QUESTIONS PLEASE!!!
Find 5 × (–9).
A.45
B.–40
C.–4
D.–45
Find –1 × (–6).
A.–7
B.6
C.5
D.–6
The temperature fell three degrees per hour for five hours. What was the total change in temperature?
A.–15
B.8
C.15
D.–8
Find –7 × (–11).
A.–77
B.4
C.–18
D.77