<h3>Solution:</h3>
Using formula (a-b)^2 = a^2-2ab+b^2
<h3>Answer:</h3>
k = 9
Answer: my but
Step-by-step explanation:
1+1
False because a number is rational if we can write it as a fraction where the top number of and bottom number are both whole numbers but irrational numbers is any number that is not rational. It is a number that cannot be written as a ratio of two integers(or cannot be expressed as a fraction)
