Answer: 
Step-by-step explanation:
1. By definition you have that the difference of squares is:

2. Given the polynomial:

You can identify that there are two terms whose signs are different and they are perfect squares.
3. Therefore, you have:

Answer:
$80.73
Step-by-step explanation:
115 * 0.35 = $40.25 off
115 - 40.25 = $74.75 after sale
add tax (0.08)
74.75 * 0.08 = $5.98 tax
74.75 + 5.98 = $80.73 in total
Answer:
6/10
Step-by-step explanation:
Answer:
3 hours is your answer
Step-by-step explanation:
It is a function, because they do not have a repeating number in the “Y” place (x,Y). If a set of orderd pairs had the y repeating, then it is not a function. The x can repeat, just not the y.