Answer:
A). 
B). 
Step-by-step explanation:
A). 
To get the square root of the given expression we will convert it into the square form.
[Since 2×2 = 4 and
]
Therefore, 

B). 
Since, 
Therefore,
[Since 3² = 9 and (m⁷)² = m¹⁴]
I tried but see if this helps you In algebra, it is easy to find the third value when two values are given. Generally, the algebraic expression should be any one of the forms such as addition, subtraction, multiplication and division. To find the value of x, bring the variable to the left side and bring all the remaining values to the right side.
8 I guess? The question isn’t very well written
search it up than you will get the correct answer