Going by what I was taught in chemistry, there would only be 1.
Answer:
It is an irrational number, 
as a decimal rounded to the tenth place is 1.7
Step-by-step explanation:
All square roots are irrational numbers
Answer: The knights were responsible for protecting the people.
Answer:
-0.55 + 0.53a
Step-by-step explanation:
-0.55 – 0.47a + a
To find an expression equivalent to this, we must simplify the equation to a reasonable extent;
-0.55 – 0.47a + a
= -0.55 + 0.53a
= 0.53a - 0.55
The expression equivalent to the given one is -0.55 + 0.53a or 0.53a - 0.55
31 in total and the smaller one has 13. So just subtract 31-13 and it means there are 18 balls in the larger bag
