A. Solve the following. s varies directly as the square of r and inversely as v. If s=40 when r = 6 and v=9.

1. Write the equation of the relation
2. Find the constant of variation
3. Find s when r = 4 and V = 8
4. Find r when s = 60 and v=6
5. Find v when s= 9 and r = 3

help lng sa 5.! pls​