Which of the following methods would be the easiest to use to solve x^2-11=0 a factoring b isolating the x^2 term and finding the square root of both sides c using the quadratic formula. d all 3 methods would be easy and effective

Tell whatever the ordered pair is a solution of the given system.

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

Use the given information to determine the exact trigonometric value.