Find all the real cube roots of 1000/27

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Which of the following best describes the figure?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.