The answer is: [A]: 45x² + 81x + 36 .
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Explanation: Use "FOIL" technique: (First, Outer, Inner, and Last Terms);
then, combine the "like terms", to simplify.
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(5x+4)(9x+9) = 45x² + 45x + 36x + 35 = 45x² + 81x + 36 .
(which is answer choice: "A".).
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Answer:
c = 10/n + 2
Step-by-step explanation:
2.1 x 82 =
172.2
I hope this answer was helpful! :)
Answer:
The exact area is 
Step-by-step explanation:
The area of the major circle is subtracted from the area of the minor circle (blank)
Major circle
Minor circle:
The shaded area:
Hope this helps
