What tool in Photoshop do you use to make a selection based on     a color?

How many f stops faster is a film with an ISO of 200 compared to a film speed of ISO 50?

In digital cameras, what is the equivalent of color balanced film? (I.E. The method of compensating for the different color temperatures of light)

Part 3 Draw a graph using the following information.

In a certain video game, a player is confronted with a series of 4 opponents and a(n) 83% probability of defeating each opponent. Assume that the results from opponents are independent (and that when the player is defeated by an opponent the game ends). What is the probability that a player defeats all 4 opponents in a game?  Express your answer to 4 decimal places.

P(A|B) = 0.35, P(A) = 0.35, P(B) = 0.70 Are events A and B independent?

Part 2 Maximize P for the constraints given in Part 1.

Part 1 Graph the region of solutions to the following system of equations.

Part 1 Solve the system by substitution.  Using other methods will not result in credit.

Part 3 Is the given value a solution to the system?  Justify your answer mathematically.  “Yes” or “no” is not sufficient.