Answer:
option d. is the correct answer
Answer: 
-3 times the square root of 5
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Explanation:
Let 
Replace all the root 5 terms with x and we go from

to

From here, combine like terms to get

and the last thing to do is replace the x with sqrt(5)

Meaning that,


Answer:
810 stickers.
Step-by-step explanation:
Since there are 18 stickers per page, we need to use multiplication to calulate how many stickers we have total.
Our problem is 45*18, since we have 45 pages, each with 18 stickers.
45*18=810
Cindy has 810 stickers in all.
Hope this helps!