H varies directly as p and inversely as the square of y. If H =1, P =8 and y =2, find H in terms of p and y

Given that y varies inversely as the square of x. If x =3 when y =200. Find the equation connecting x and y

If x varies inversely as y and y varies directly as z, what is the relationship between x and z

If $y\propto \frac{1}{{{x}^{2}}}$ and y = 1¼  when x = 4. Find the value of y when x = ½

The table below satisfies the relation $y=k\sqrt{x}$ , where k is a positive constant. Use it to answer  18 and 19

The table below satisfies the relation $y=k\sqrt{x}$ , where k is a positive constant.

If $p\propto \frac{1}{q}$  which of the following is true

If $x\propto (45+\tfrac{1}{2}y)$ which of the following is true

The distance, d, through which a stone falls from rest varies directly as the square of the square of the time, t, taken. If the stone falls 45 cm in 3 seconds, how far will it fall in 6 seconds.

G varies directly as the square of H. If G is 4 when H is 3, find H when G = 100