What is the length to one side of this triangle

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Find the slope and y-intercept of each line y=4x+1

How many different ways can you make a model of a kitchen with 17 connecting cubes