How to do 8.478 in expanded form

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

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.