Answer:
57
Step-by-step explanation:
Whenever you have a root of sqrt #, you must have the matching - (or positive).
This is because when you take a square root you get two solutions a positive and a negative.
The answer is LETTER A
Answer: D
Step-by-step explanation:
An irrational number plus a rational number results in an irrational number.
Answer:
7=a
Step-by-step explanation:
look at image for step by step