Answer:
632.6
Step-by-step explanation:
Z = .3 right? It looks weird on my screen
Anyway, if z is .3 than this is how to solve
First you plug in 0.3 where the z would go, making the expression 622 + 2(0.3) + 10. Then you solve! (below)
622 + 2(0.3) + 10.
622 + 0.6 + 10.
622 + 10 + 0.6
632 + 0.6
632.6
I hope this helped! If you have any questions, feel free to message me :)
Add 25 to both sides:

Square root both sides.
When you square root a perfect square, you will get a plus/minus result:



The other solution to this answer is x = -5.
Answer:
Machine B is the faster machine because it packs 4 cartons in an hour while the other machine takes 5 hours to pack 4 cartons. The faster machine can pack 4 cartons in an hour.
Step-by-step explanation:
Answer:
Lots of steps and answers. Look at the picture.
Step-by-step explanation: