Amovie is three hours long. if this duration is multiplied by the conversion factor 60 how will the length of the 1 movie be expressed?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Me asap! what is the slope of this line? enter your answer in the box.