Answer:
Step-by-step explanation: 1,860 Seconds Is Equal To 31 Minutes Hope It Helped
Answer:
16
Step-by-step explanation:
Substituting 16 will make the expression valid and correct since the square of -4 is 16 and the addition of it is -8.

Answer:
Hey there!
I would prefer method two.
Both methods give the right solution, but method two is more straightforward. Instead of distributing, you simply divide and don't need to do as much work.
Let me know if this helps :)