Answer:
Charles = 18
Barbara = 3
Step-by-step explanation:
<em>Currently</em>
Charles: x+15
Barbara: x
<em>In twelve years</em>
Charles: x+27
Barbara: x+12
<em>Equation </em>- Charles's age in twelve years will be double Barbara's age in twelve years. Using the information about, create the equation
x+27=2(x+12)
x+27=2x+24
x=3
Irrational roots occurs with its conjugate.
Therefore, -√3 is also root of the function.
The answer is -√3.
Answer:785.4
