Step-by-step explanation:
using normal distribution aproximation
Check attachment
This is the answer to the question
This is an addition problem.
Rearrange the given equations as
<span>+ f(x)=5x-2
+g(x)=2x+1
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Add up each column, as follows: (f+g)(x) = 7x - 1 (answer)</span>
L x W = A
25 x W = 125
So now you dived 125 by 25
125 ÷ 25 = 5