odinary differential equations

Please solve the following 5 questions:

k) yy' = 3x - 2y

m) (x^2-2xy)y' = y^2

n) (x+y^2)y1 = 1

p) x^2y' = xy + y^2 + x^2

s) xyy' + y^2 = sinx

They are quite hard to me.