On a map's coordinate grid, Walt City is located at (-1,-3) and Koshville is located at (4,9). How long is a train's route as the train travels along a straight
line from Walt City to Koshville? (One map unit equals one mile)

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Solve 3x-18=2y and 5x-6y=6 by elimination show work