An architect is tasked with designing a decorative arch. The arch must span 80 feet as a horizontal ground distance, must be 104 feet tall, and must be symmetric. What parabolic equation in intercept form could model this arch?

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.