Answer:

Step-by-step explanation:
We can factor out a 1 from -3 to get
.
We know from simple arithmetic that
.
So, our answer is 
Answer:

Step-by-step explanation:
Multiplying 5 by itself is the same thing as raising it to the second power:

We multiply 2 by itself two seperate times. That's the same thing as raising 2 to the second power to the second power or in simpler terms raising two to the fourth power:

Since only multiplication is present, we can combine the two terms to get:

N= P-180. so the computer would originally be 720 dollars. reduced by 25%, or 180, the new price is 540.
Answer:
Step-by-step explanation:
$ 6.18 is what each pen costs
The greatest common factor that twelve & forty-five share is three.