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]
8a^2 + 3a^2
11a^2
since both have a^2 you only have to add the coefficients
Answer:
the answer is 43
Step-by-step explanation:
4 = 3s joe biden