Aparabola and its directrix are shown on the graph. on a coordinate plane, a parabola opens upward. it has a vertex at (0, 0) and a directrix at y = negative 2. what are the coordinates of the focus of the parabola? (0,2) (0,–2) (2,0) (–2,0)

Describe all the numbers that when rounded to the nearest thousand are 645,000

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

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.