-28xy/4
-7xy
Therefore, the first answer is correct.
Hope this helps!
Use the formula V=AbH and 48=16h will be the second step and then divide by 16 and then you get the answer
Answer:
308cm²
Step-by-step explanation:
Assuming the given unit is in cm
The expression for the area of a regular Octagon is
A=2(1+√2)a²
Given the apothem a = 8cm
Substituting we have
A=2(1+√2)8²
A= 2(1+1.414)64
A= 2(2.414)64
A= 308cm²
Answer: Because 4 is the base of what is being exponentially multiplied, you can multiply 256 by 4 to get 4^5