I need help ASAP!
The question is in a picture.

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

How is working backward similar to solving an equation?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.