What is the least common multiple of 126 and 45

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

How can (square root of 25) ^2 be rewritten?

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?