Which of the following statements concerning expert systems is false? a. the blackboard displays the recommendation. b. an expert system can explain its recommendation. c. the knowledge base contains rules. d. expert systems cannot learn from their own mistakes. e. the knowledge base contains facts?

Write a function that draws a pool ball. this function should take as parameters, the color, the number that should go on the pool ball, and the location of the center of the pool ball. the radius of the pool balls should be pool_ball_radius, and the font of the number should be pool_ball_font. the text of the pool ball font should be white. drawpoolball(color.orange, 5, 100, 100); drawpoolball(color.green, 6, 50, 200); drawpoolball(color.red, 3, 150, 350); drawpoolball(color.blue, 2, 250, 140); to center the numbers on the pool ball, you should use the getwidth() and getheight() methods. you are allowed to call these methods on your text object, such as txt.

Does read theory have answers keys ?

Auniform resource locator (url) is a formatted string of text that web browsers, email applications, and other software programs use to identify a particular resource on the internet. true false