sorry i was going through some past papers and i need help on some questions again.

1)

given that dy/dx = ((3-square root x)^2)/square root x, x>0, and that y=2/3 at x=1

Find y in terms of x

2)

the line l2 passes through the origin O and has gradient -2. the lines l2 and y=1/3x-7 intersect at the point P.

a) calculate the coordinates of P

given that y=1/3x-7 crosses the y-axis at the point C,

b) calculate the exact area of triangeOCP.

Thanks!