Answer:
X= -12
Step-by-step explanation:
-2x-4=20
-2x-4+4=20+4
-2x=24
x=-12
This doesn't answer it completely but you have to complete the square. I don't know the answer but there are plenty of videos on how to complete the square online. Hope I could help and sorry if I didn't <span />
Answer:3 hours
Step-by-step explanation:8-5=3, 3-5=-2, -2-5=-7
C because 2,400 divided by 450 is a little more than 5 and 5 times 12 is 60 and a little more than 60 is 64.
Answer:
15. 12
Step-by-step explanation:
just multiply them
