Answer:
(10x−7)^2
Step-by-step explanation:
(10x+7)(10x-7)
i stead of making it a "100" since they are both the same but positive and negative () and bring it to the power of 2
Well, there are 60 minutes in 1 hour, and there are 60 seconds in 1 minute, so in 60 minutes, there are 60 * 60 seconds, or 3600 seconds in 60 minutes, or 1 hour, therefore, in 1 hour there are 3600 seconds.
the machine makes 7 aliens in 2 seconds, how many will it make in 3600 seconds?

that many.
X=-4 cause
-2=x+2
Then -4=x
Answer:
2 kids plan to do cross country
Step-by-step explanation: