<h2>Answer: <u><em>1</em></u></h2>
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Step-by-step explanation:
If f(x) = (square root of x -12 /)-5, find f(13)
1 answer:
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Step-by-step explanation:
his father's age= 4x
his mother's age= 4x- 7
his age= x
x+4x+4x-7=101
x+ 4x+ 4x= 101+ 7
9x= 108
=
x= 12
Tesfa is 12 years old