Justin now has a final exam today. There are 20 questions with 3 options. Each question only has one correct answer. He just needs to make a 75 to pass the class
(meaning he needs to get 15 right). What is the probability of him doing so?

What is the distance between point a and b

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters