The radius of a circle is 4 inches what is the circles diameter

The diameter of the circle is 8 inches

Step-by-step explanation:

The diameter is 2 times the radius

El diametro de un circulo es el doble de el radio, la respuesta es 8

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let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt