The particular identity you want to use is

Then

Expand the binomial to get

Use the identity again to write

and so


A) the more time spent on homework related to higher test scores.
b) 60 on the test
c) with 0 hours of homework, should expect a score of 45 on the test.
B. Center: ( 5, -3) radius: 9
Answer:
155 sheets
Step-by-step explanation:
Warner used 75 of the printer paper .
He now has 80 sheets left .
Sheets in the package when warner bought it = used + remaining sheets
That’s 75 + 80
= 155
The package had 155 sheets when warner bought it .