Answer:
A.

Step-by-step explanation:
when a value is outside of the root, then you can square it and put it back in. After you put it back in, you need to multiply it by the number that is remaining
In this case, you would square 10 which equals 100, and put it back into the root and multiply 100 by 5.
100x5=500
Therefore, the answer is A, root 500
Answer: So, if it just magically doubles every 20 days, and its only been 15 days, then it would've started with 42, but I'm not sure since I can't see the original problem
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
One side is 3, another is 6, and the last side is 9.
Answer:
5.7
Step-by-step explanation:
Line the decimals. You get this.
0.1
+5.6
————
5.7
Hope this helped!
Answer:

Step-by-step explanation:
Given the expression

First, factor each denominator:
1. 
2. 
Now the expression is

Now, multiply the first numerator by (y-3) and the second by (y-4) and write the result as a fraction with denominator 

This fraction cannot be simplified more.