Consider the sequence: 3, 8, 13, 18, 23, recursive formula for this sequence is: an = an-1 + 5in a complete sentence, explain what an and an-1 represent in the formula. then find a8 . what do you need to know in order to find a8 ?

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

Find an equation of the line perpendicular to the graph.

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.