A twenty foot ladder leans up against a perpendicular wall and just touches the outer top edge of a 6x6x6 cube packing case pushed up close to the wall. How far up the wall is the top of the ladder?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

2x minus y equals 6, x plus y equals negative 3