Sophie is building a wheelchair ramp onto her porch. If the porch is 48 centimeters high and Sophie wants the ramp to start 64 centimeters from the porch, how long does the ramp need to be?

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement

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?

597008.439431 to the nearest thousand