Charlie emptied her piggy bank and found some twenty dollar bills. which equation can be used to find n, the total value in dollars of t twenty-dollar bills?

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

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.

Hello, i need compare km^2 and km. what's difference in this?