Chloe has enough sand to fill a sandbox with an area of 36
square units. She wants the outer edges of the sandbox to
use as little material as possible.
Which dimensions will give Chloe the smallest perimeter?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.