A math class has girls and boys in the seventh grade and girls and boys in the eighth grade. The teacher randomly selects a seve
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Circumference = 
When you plug that in you should have
Solve that and you have your answer(: I would recommend rounding to the nearest hundreth
When you plug that in you should have
Solve that and you have your answer(: I would recommend rounding to the nearest hundreth
now, for a rational expression, the domain, or "values that x can safely take", applies to the denominator NOT becoming 0, because if the denominator is 0, then the rational turns to undefined.
now, what value of "x" makes this denominator turn to 0, let's check by setting it to 0 then.
so, the domain is all real numbers EXCEPT that one.