There are 19 students in a class. The teacher needs the students to elect a student for each of the following positions: president, Vice President, secretary, and treasurer. What is the probability that you guess, at random, who is picked for each position correct?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events

Solve for x where 0 equation: cot^2x+2cotx+1=0