Answer:
Step-by-step explanation:
Answer: D (both the sum and the product).
Step-by-step explanation:
Let's add: 4 + sqrt5 will still seem irrational.
Let's multiply: 4*sqrt5 = 4sqrt5, which is irrational.
Answer:
1/2
Solution: plugging in the given information into the formula you get 2/4 which simplifies to 1/2