Answer:
Step-by-step explanation:
Using the rule of radicals
× ⇔ and
× = a
Given
To rationalise the denominator multiply numerator/ denominator by
×
=
=
(n+11)(n-4) is your answer
i cant really see the picture well, sorry.
Answer:
Domain:
(
−
∞
,
∞
)
Step-by-step explanation:
A because mean is average.