Tell whether the set is closed under the operation indicated.<span>If not closed, provide a counterexample.
<span>1.) </span>integers under addition <span>2.) </span>integers under division
<span>3.) </span>whole numbers under subtraction 4.) Irrational numbers under addition
anser is open</span>
Answer: 89
Step-by-step explanation: 4359/51=89
Answer:
A
Step-by-step explanation:
Pythagorean Theorem A
Quadratic function because