Answer:
This question makes no sense but here we go:
Step-by-step explanation:
Assuming the sum must be equal to six:
x+y = 6
Comment if i'm getting the wrong idea, this question makes like no sense to me. Perhaps a grammatical error?
Answer: The second one, 10 rolls for $12. 1.29 (Rounded)
Step-by-step explanation:
14/18 is 1.29 (Rounded)
10/12 is 1.20.
The unit rate is cheaper, therefore making it the better buy
63
5 tens equals 50
13 ones equals 13
50 +13 = 63
Answer: 
Step-by-step explanation:
You should get this answer because the simpliest form of a radical is that you shouldn't have any radical in the denominator. In order to get rid of the radical sign in the denominator, you have to multiply the numerator and the denominator with the
.
Look at the image below for further explanation