Answer:

Step-by-step explanation:
4-xy=y^3
dy/dx=?

Solving for dy/dx: Addind x dy/dx both sides of the equation:

Common factor dy/dx on the right side of the equation:

Dividing both sides of the equation by 3y^2+x:

Answer:
Ali is a boy
Step-by-step explanation:
Ali is a good boy
Move the 8 over
-x=3x-8
Move the 3x over
-x-3x=8
-4x=8
Divide by -4
x=-2
A quotient of a number 21 is 3 and 63
Hope this helps!