If the note paper is a square, the answer would be 156.25cm^2
Divide 45 by 5
9
Now multiply 20 by 9
180
Your answer should be 180.
The answer I think maybe 8/3 this answer is a fraction of you are looking for one
Answer:
Step-by-step explanation:
3x^4+6x^3-x^2+1...............
<u><em>r=-199/80 is the right answer.</em></u> First, you had to multiply by 100 from both sides of the equation. And it gave us, 
. Next, you had to refine, and it gave us, 
. Then, subtract by 1470 from both sides of equation. And it gave us, 
. Simplify, and it gave us, 
. You can also divide by 320 from both sides of equation. And it gave us, 
. And finally, simplify, and it gave us the answer is <em><u>r=-199/80 is the right answer.</u></em> Hope this helps! And thank you for posting your question at here on brainly. And have a great day! -Charlie
