Which of the following applications of undefined terms made use of the concept of point as a location in space? A RADAR. C laser beam
b tip of needle. D mole o a face

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.