A store sells two types of cleaning solutions. Brand X has 4 mL of white vinegar for every 20 mL of water. Brand Y has 5 mL of white vinegar for every 30 mL of water. Which mixture has a higher concentration of vinegar? plz help

100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance

What is the value of x in the equation 2(x-4) = 4(2x + 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.