A bag contains 30 marbles. There are 7 blue, 4 green, 7 red, 6 yellow, and 6 black marbles. Without looking,
Tarek reaches into the bag and draws one marble.
What is the probability he draws a black marble?

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 .

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Which is a graph of a proportional relationship?