Choose Yes or No to tell whether the expression represents a 20% discount off the price of an item that originally cost d dollars.

0.8d

d – 0.2

d – 0.2d

1 – 0.2d

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 .

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

What does independent variable and dependent variable mean in math?