Answer:
the answer would be 16.50
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Sorry I don't know anything about that!
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Answer:
C. 
Step-by-step explanation:
Replace x with a + 2 and simplify the expression.

Let x = a + 2


If you're looking for the area, it is 480 cm squared.
Answer:
or 
Step-by-step explanation:

We complete the square as follows
Group the constant term on the right hand side

Divide through by 2,

Add half the square of the coefficient of x to get;

Simplify to get


Take the square root of both sides to get

Solve for x


or 