Answer:
19
Step-by-step explanation:
f(x)=2/3
2/3=-1/3x+7
Subtract 7 from both sides
2/3-7=-1/3x
-6 1/3 = -1/3x
Multiply both sides by -3
-3(-6 1/3)=-1/3x(-3)
19 = x
A minor arc measures less than 180 degrees.
The property used is: Multiplicative identity
Step-by-step explanation:
We need to identify the property in the equation : 
The property used is: Multiplicative identity
Multiplicative identity
The multiplicative identity property is defined as if you multiply a number by 1, the result of multiplication is that original number.
In the given expression
-3 is multiplied by 1 to get -3 so, multiplicative identity.
Keywords: Properties of Multiplication
Learn more about Properties of Multiplication at:
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The only reasonable answer is B.