If $s\ =\ \frac{1}{3}$ of a unit, what is the volume, in cubic units, of the cube?

Write the sentence as an equation. z plus 372 is equal to 160

What is the square root of 45? (step by step working plz)

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?