2. for which values of k are there no solutions, many solutions, or a unique solution to each system? a. b. 13x-3y - k kx +y-1 2x-4y +2z 0

How do you use the elimination method for this question? explain, because i really want to understand!

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship