Answer:

Step-by-step explanation:

Rewrite:
![\dfrac{1}{\sqrt[3]{n^2}}=9\\\\9\sqrt[3]{n^2}=1](https://tex.z-dn.net/?f=%5Cdfrac%7B1%7D%7B%5Csqrt%5B3%5D%7Bn%5E2%7D%7D%3D9%5C%5C%5C%5C9%5Csqrt%5B3%5D%7Bn%5E2%7D%3D1)
Cube both sides:

Divide both sides by 729:

Take the square root of both sides:

Hope this helps!
Answer:
15.7
Step-by-step explanation:
c=d×3.14 which equals 15.7
Answer:
$60
Step-by-step explanation:
We need to find how much commission she earns on the 8,000
Since the total is greater than $5,000, we find 7.5% of her sales
7.5% x $8,000 = $60
Thus, our answer is
$60
Answer:
32°
Step-by-step explanation:
The triangle ABC is a isosceles so angle A = angle C
The sum of interior angles in a triangle is = 180°
74 + 74 + angle B = 180
B = 32°
Answer:
3 hours and 51 minutes
Step-by-step explanation:
Hope this helps!!