The diameter of a circle is 18 in. 4x + 5 represents the radius. Write two equations that you can find the value of x. Then find the value of x.
Which equations can you use to solve for x?
Select two equations
A. 4x+5=9
B. 2 (4x+5) = 9
C. 2 (4x+5) = 18
D. 4x+5=18
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