What city is located at the confluence of the ohio, allegheny, and monongahela rivers?

Given that the volume of a cuboid is 180 cm³ and the area of one of its rectangular face 36 cm² what is the height of the cuboid

Rah is completing a school project on the expansion of fast food restaurants across the united states. she finds a map that shows a clear pattern of restaurants beginning in the east and expanding west. this map was most likely created using the technology of

Some of the incoming solar radiation is absorbed by the floor. identify the type of electromagnetic energy reradiated by the floor