Answer:
The correct answer would be 
Step-by-step explanation:
given
we want to solve for a
How?
We can do this by using basic algebra ( isolating the variable (a ))
Step 1 subtract
from each side

now we have 
step 2 take the square root of each side

we're left with
Hence your answer is A
Answer:
1. 2/4 = 1/2
2. 9/24= 3/8
3. 56/64= 7/8
Step-by-step explanation:
Answer:
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Answer:
No
Step-by-step explanation:
The exponents are too far apart for a +2 to make a difference.