Amanda and alexis live 4 miles apart. they decide to start walking toward each other’s houses at the same time. amanda walks at a rate of 3.5 miles per hour and alexis walks at a rate of 4 miles per hour. how long will it take for them to meet? round to the nearest hundredth of an hour. [remember: d = (r)(t)]

How do you find the circumfrance of a circle?

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 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.