The Green Line circles the station every 9 minutes. The Red Line circles the station every 6 minutes. If they leave the station together, how long will it be until the next time that they leave the station together again? *

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Can someone me with my math problem pls my teacher is on my back about this

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.