Hightop roofing was $3765 in the "red" (owed creditors this amount) at the end of
june. at the end of december they were $8765 in the "red.” did they make or lose
money between june and december? how much?

the line of

step-by-step explanation:

answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?

the answer is  

c.

90.0π cm^2

hope you got it.