Does anyone know the answer to these problems if you know the answer for the first question then put 5. and your answer same goes for the other answer but put a 6.

15 points ! ~ see if you know the answer to both you!

In the diagram of circle o, what is the measure of zabc?

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.