If ralph ran 15 miles in 5 days how far would he be expected to run in 8 days

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a